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QUESTION:It takes one machine 3 hours to complete a production order and another machine 3 hours to complete the same order. How many hours would it take both amhcines working simultaneously at their respective rates to complete the order? options: A)a) 7/12 B)b) 1 1/2 C)c) 1 5/7 D)d) 3 1/2 E)e) 1 1/2 OPINIONS START >>...
QUESTION:For any non-zero a and b that satisfy |ab| = ab and |C| = -c |b - 4| + |ab - b| = ? options: A)a) ab - 4 B)b) b - 2b + 4 C)c) ab + 4 D)d) 2b - ab - 4a E)e) 4 - ab OPINIONS START >>>0: #### 0:Here's how to solve the problem: **Understanding the Problem** * **Absolute Value:** The absolute value of a number is...
QUESTION:P, Q and R can do a work in 6 , 9 and 12 days respectively. They completed the work and got Rs.195. What is the share of P? options: A)80 B)70 C)85 D)90 E)95 OPINIONS START >>>0: #### >>>1: #### A >>>2: #### >>>3: #### A >>>4: #### B >>>5: #### 5:P, Q and R can do a work in 6 , 9 and 12 days respectively. Le...
QUESTION:The diameters of two spheres are in the ratio 1:2 what is the ratio of their surface area? options: A)1:1 B)1:9 C)1:3 D)1:4 E)1:3 OPINIONS START >>>0: #### D >>>1: #### C >>>2: #### D >>>3: #### D >>>4: #### E >>>5: #### D >>>6: #### D OPINIONS END SOLUTION:1:4 Answer: D #### D
QUESTION:A dishonest dealer professes to sell goods at the cost price but uses a weight of 800 grams per kg, what is his percent? options: A)22 B)25 C)66 D)77 E)91 OPINIONS START >>>0: #### A >>>1: #### C >>>2: #### None >>>3: #### C >>>4: #### None of the above. >>>5: #### 5:Explanation: Let the cost price of 1 kg = R...
QUESTION:In a division, divident is 725, divisior is 36 and quotient is 20. Find the remainder. options: A)A)4 B)B)3 C)C)2 D)D)5 E)E)6 OPINIONS START >>>0: #### D >>>1: #### D >>>2: #### E >>>3: #### D >>>4: #### A >>>5: #### D >>>6: #### D OPINIONS END SOLUTION:Explanation: 725 = 36 x 20 + r 725 = 720 + r r = 725 - 72...
QUESTION:There are 4 copies of 5 different jeans. In how many ways can they be arranged on a shelf? options: A)20!/4! B)20!/5(4!) C)20!/(4!)^5 D)20! E)5! OPINIONS START >>>0: #### C >>>1: #### 1:There are 4 copies of 5 different jeans. So, the number of ways to arrange them on a shelf is 20!/4!5! = 20!/(4!5!) = 20!/(4!...
QUESTION:The difference between the value of a number increased by 25% and the value of the original number decreased by 30% is 22. What is the original number? options: A)40 B)50 C)65 D)70 E)90 OPINIONS START >>>0: #### A >>>1: #### A >>>2: #### D >>>3: #### A >>>4: #### A >>>5: #### A >>>6: #### E OPINIONS END SOLUTI...
QUESTION:In a fuel station the service costs $1.65 per car, every liter of fuel costs 0.65$. Assuming that a company owns 12 cars and that every fuel tank contains 55 liters and they are all empty, how much money total will it cost to fuel all cars? options: A)320$ B)380$ C)420$ D)448.8$ E)480$ OPINIONS START >>>0: ###...
QUESTION:The rate of Interest on a sum of money is 11% p.a. for the first 3 years, 4% p.a. for the next 4 years, and 5% for the period beyond 7 years. If the S.I, Occured on the sum for the total period of 8 years is Rs. 540/-, the sum is options: A)1,000 B)2,000 C)2,100 D)2,250 E)2,540 OPINIONS START >>>0: #### A >>>1...
QUESTION:Find the next term in series - 25, 37, 49, 61, ? options: A)71 B)72 C)73 D)74 E)75 OPINIONS START >>>0: #### C >>>1: #### C >>>2: #### C >>>3: #### E >>>4: #### B >>>5: #### C >>>6: #### C OPINIONS END SOLUTION:Series is Increased by 12. 25 +12 =37 37 +12 =49 49 +12 =61 61 +12 =73 ANSWER:C #### C
QUESTION:A contest will contain n questions each of which is to be answered either true or false. Anyone who answers all n questions correctly will be a winner what is the least value of n for which the probability is less then 1/1000 then a person who randomly guesses the answer to each q's will be a winner? options: ...
QUESTION:Three coins are tossed. Find the probability of at least 1 head and 1 tail ? options: A)1/2 B)1/4 C)3/4 D)7/8 E)1/8 OPINIONS START >>>0: #### D >>>1: #### C >>>2: #### D >>>3: #### C >>>4: #### C >>>5: #### C >>>6: #### D OPINIONS END SOLUTION:n(s) = 2^3 = 8 ....(3 coins tossed) let E is the event of getting a...
QUESTION:A person starts walking at a speed of 5km/hr through half the distance, rest of the distance he covers with aspeed 4km/hr. Total time of travel is 36 hours. What is the maximum distance he can cover? options: A)20km B)40km C)60km D)80km E)160km OPINIONS START >>>0: #### E >>>1: #### D >>>2: #### C >>>3: #### C...
QUESTION:The length of a rectangular plot is 10mtr more than its width. The cost of fencing the plot along its perimeter at the rate of Rs. 6.5mtr is Rs.1950. The perimeter of the plot is? options: A)126 B)156 C)190 D)300 E)260 OPINIONS START >>>0: #### D >>>1: #### D >>>2: #### D >>>3: #### B >>>4: #### C >>>5: #### D...
QUESTION:If a code word is defined to be a sequence of different letters chosen from the 10 letters A, B, C, D, E, F, G, H, I, and J, what is the ratio of the number of 6-letter code words to the number of 5-letter code words? options: A)5 to 4 B)3 to 2 C)2 to 1 D)5 to 1 E)6 to 1 OPINIONS START >>>0: #### 5/6 >>>1: ###...
QUESTION:The ratio Q , by volume of soap to alcohol to water in a 76 litre solution is 2: 50: 100 . The solution is then altered by adding more soap, alcohol and water.After this alteration the ratio, by volume of soap to water in the solution doubles whereas the ratio, by volume of soap to water remains the same as be...
QUESTION:There are some students in a school.The 1/2 of number of students is a whole number. The 1/6 of number of students is a whole number. The 1/5 of number of students is a whole number. The 1/7 of number of students is a whole number.Find the number of students. options: A)200 B)210 C)220 D)230 E)240 OPINIONS STA...
QUESTION:Based on this year's costs, a builder budgets P dollars for planing N new buildings next year. If the average cost of building each building were to increase 10% from this year's cost, then the greatest number of buildings that the builder could build next year using P dollars would be: options: A)9% less than...
QUESTION:The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class. options: A)47.55 kg B)48 kg C)48.55 kg D)49.25 kg E)59.25 kg OPINIONS START >>>0: #### C >>>1: #### C >>>2: #### C >>>3: #### C >>>4: #### D >>>5: #### C >>>...
QUESTION:Calculate the % profit or loss, if the cost price of 9 balls is equal to the selling price of 14 balls. options: A)35.7% B)25.7% C)15.7% D)55.7% E)45.7% OPINIONS START >>>0: #### None of the above >>>1: #### A >>>2: #### A >>>3: #### D >>>4: #### 4:Let the cost price of one ball be x. Then, the cost price of 9...
QUESTION:In what time will Rs.4000 lent at 3% per annum on simple interest earn as much interest as Rs.5000 will earn in 5 years at 4% per annum on simple interest? options: A)8 1/3 B)8 1/6 C)8 1/9 D)8 1/1 E)8 1/5 OPINIONS START >>>0: #### A >>>1: #### A >>>2: #### A >>>3: #### A >>>4: #### None >>>5: #### A >>>6: ####...
QUESTION:If w and y are positive integer and w/y is an even integer, which of the following can be an odd integer? options: A)x B)xy C)x−y D)x+2y E)w/3 OPINIONS START >>>0: #### 0:Here's how to solve this: * **Understanding the >>>1: #### A >>>2: #### E >>>3: #### A >>>4: #### B >>>5: #### C >>>6: #### D OPINIONS END ...
QUESTION:An office supply store stocks two sizes of notebooks, each in six colors: orange, blue, green, yellow, red, or pink. The store packs the notebooks in packages that contain either 4 notebooks of the same size and the same color or 4 notebooks of the same size and of 4 different colors. If the order in which the...
QUESTION:62467 × 9998 = ? options: A)624545037 B)627745452 C)624545077 D)624545066 E)625454211 OPINIONS START >>>0: #### D >>>1: #### C >>>2: #### A >>>3: #### A >>>4: #### A >>>5: #### D >>>6: #### D OPINIONS END SOLUTION:D 624545066 62467 × 9998 = 62467 × (10000 - 2) = 62467 × 10000 - 62467 × 2 = 624670000 - 124934 =...
QUESTION:A store’s selling price of $2500 for a certain printer would yield a profit of 40 percent of the store’s cost for the printer. What selling price would yield a profit of 50 percent of the printer’s cost? options: A) $2400 B) $2464 C) $2650 D) $2478 E) $2800 OPINIONS START >>>0: #### C >>>1: #### C >>>2: #### D...
QUESTION:The length, breadth and height of a room are in the ratio 12 : 4 : 4. If the breadth and height are halved while the length is doubled, then the total area of the four walls of the room will options: A)(a) remain the same B)(b) decrease by 13.64% C)(c) decrease by 15% D)(d) decrease by 18.75% E)(e) decrease by...
QUESTION:The average salary of all the workers in a workshop is Rs. 8000. The average salary of 7 technicians is Rs. 16000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is options: A)20 B)21 C)22 D)35 E)NONE OPINIONS START >>>0: #### D >>>1: #### A >>>2: #### D >>>3: #### D...
QUESTION:What percent is 2 gm of 1 kg? options: A)0.5 % B)0.2% C)1.5% D)2% E)3% OPINIONS START >>>0: #### B >>>1: #### B >>>2: #### B >>>3: #### B >>>4: #### B >>>5: #### B >>>6: #### B OPINIONS END SOLUTION:1 kg = 1000 gm 2/1000 × 100 = 200/1000 =1/5 = 0.2 % B) #### B
QUESTION:A shopkeeper sold an article offering a discount of 5% and earned a profit of 19.7%. What would have been the percentage of profit earned if no discount was offered? options: A)60% B)26% C)30% D)56% E)73% OPINIONS START >>>0: #### B >>>1: #### C >>>2: #### C >>>3: #### E >>>4: #### C >>>5: #### 5:Let the cost ...
QUESTION:If December 3rd, 1999 is a Friday, what day is January 8th, 2000? options: A)Wednesday B)Thursday C)Friday D)Saturday E)Sunday OPINIONS START >>>0: #### D >>>1: #### 1:1999 is not a leap year. So, 1999 has 365 days. 365 = 52 weeks + 1 day So, 1999 is 1 day ahead of 1998. 1998 is a leap year. So, 1998 has 366 d...
QUESTION:A woman is 18 years older than her son. In 4 years, her age will be twice the age of her son. The present age of her son is options: A)12 B)14 C)16 D)18 E)20 OPINIONS START >>>0: #### B >>>1: #### B >>>2: #### B >>>3: #### B >>>4: #### B >>>5: #### C >>>6: #### C OPINIONS END SOLUTION:Explanation: Let the son'...
QUESTION:Two pens and three pencils cost Rs 86. four Pens and a pencil cost Rs. 112. find the cost of a pen and that of a pencil. options: A)12 B)10 C)15 D)19 E)20 OPINIONS START >>>0: #### A >>>1: #### D >>>2: #### A >>>3: #### C >>>4: #### A: Rs 12, C: Rs 10 >>>5: #### 5:Sol. Let the cost of a pen = x and that of a p...
QUESTION:What is the remainder when 103 * 505 * 607 is divided by 9 options: A)6 B)18 C)2 D)4 E)7 OPINIONS START >>>0: #### E >>>1: #### 1:103 * 505 * 607 = 103 * 5 * 101 * 7 * 607 103 + 5 + 101 + 7 + 607 = 723 723/9 = 80 remainder 3 103 * 505 * 607 = 3 * 9 * 9 * 9 * 3 103 * 505 * 607 = 3^4 * 9^3 103 * 505 * 607 = 3^7 ...
QUESTION:In an election between 2 candidates, 50% of the voters cast their votes, out of which 10% of the votes were declared invalid. A candidate got 5000 votes which were 50% of the total valid votes. Find the total number of votes enrolled in that election? options: A)16200 B)18000 C)17500 D)15823 E)15000 OPINIONS S...
QUESTION:The average monthly salary of 8 workers and one supervisor in a factory was 430.@SSWhen@SSthe@SSsupervisor@CC@SSwhose@SSsalary@SSwas@SS430.@SSWhen@SSthe@SSsupervisor@CC@SSwhose@SSsalary@SSwas@SS430.Whenthesupervisor,whosesalarywas430. When the supervisor, whose salary was 870 per month, retired, a new person w...
QUESTION:If 4a = 16b and 9b = 14c, Find a:b:c? options: A)52:13:7 B)13:7:52 C)7:13:52 D)64:14:9 E)None of these OPINIONS START >>>0: #### E >>>1: #### D >>>2: #### A >>>3: #### A >>>4: #### A:7:13 >>>5: #### B >>>6: #### 6:4a = 16b => a = 4b 9b = 14c => c = 9b/14 a:b:c = 4b:b:9b/14 = 4:1:9/14 = 56:14:9 = 4:1:9/4 = 4:1:...
QUESTION:How much is 80% of 40 is greater than 4/5 of 25? options: A)15 B)57 C)16 D)12 E)73 OPINIONS START >>>0: #### D >>>1: #### D >>>2: #### D >>>3: #### D >>>4: #### C >>>5: #### C >>>6: #### D OPINIONS END SOLUTION:(80/100) * 40 – (4/5) * 25 32 - 20 = 12 Answer: D #### D
QUESTION:In the x-y plane, the area of the region bounded by the graph of |x+y| + |x-y| = 10 is options: A)8 B)625 C)16 D)20 E)24 OPINIONS START >>>0: #### >>>1: #### 1:|x+y| + |x-y| = 10 x+y = 10, x-y = 10 x+y = 10, x-y = -10 x+y = -10, x-y = 10 x+y = -10, x-y = -10 Area = 2*(area of square with side 10) Area = 2*100...
QUESTION:Six lights begin to flash together at 12:00 noon and flash respectively at intervals of 3, 4, 5, 6, 7, and 8 seconds. Not including the flash at 12:00 noon, how many more times will all six lights flash together before 1:00 pm (i.e. one hour later)? options: A)4 B)6 C)8 D)10 E)12 OPINIONS START >>>0: #### A >>...
QUESTION:Let n~ be defined for all positive integers n as the remainder when (n - 1)! is divided by n. What is the value of 30~ ? options: A)1 B)0 C)2 D)8 E)31 OPINIONS START >>>0: #### B >>>1: #### 1:30~ = (30 - 1)!/30 = 29!/30 = (29 * 28 * 27 * 26 * 25 * 24 * 23 * 22 * 21 * 20 * 19 * 18 * 17 * 16 * 15 * 14 * 13 * 12 ...
QUESTION:The average amount with a group of seven numbers is Rs. 30. If the newly joined member has Rs. 60 with him, what was the average amount with the group before his joining the group? options: A)s. 25.6 B)s. 25 C)s. 16.6 D)s. 26 E)s. 25.6 OPINIONS START >>>0: #### A >>>1: #### D >>>2: #### 30 >>>3: #### D >>>4: #...
QUESTION:In a fuel station the service costs $1.05 per car, every liter of fuel costs 0.6$. Assuming that you fill up 3 mini-vans and 2 trucks, how much money will the fuel cost to all the cars owners total, if a mini- van's tank is 65 liters and a truck's tank is 120% bigger and they are all empty-? options: A)122.6$ ...
QUESTION:A rectangular courtyard 3.78 metres long and 2.25 metres wide is to be paved exactly with square title, all of the same size. What is the largest size of the tile which could be used for the purpose ? options: A)11 cms B)21 cms C)42 cms D)None of these E)46 cms OPINIONS START >>>0: #### D >>>1: #### 1:The area...
QUESTION:A motorcyclist made 3 roundtrips to the park until he ran out of gas back at home. Te park is 1500 meters away from his home. His speedometer was broke and he wanted to calculate his speed. It took him two and half hours to complete the journey. How fast was the motorcyclist traveling? options: A)25 B)60 C)36 ...
QUESTION:A and B together can do a piece of work in 8 days. If A alone can do the same work in 12 days, then B alone can do the same work in? options: A)22 days B)77 days C)24 days D)17 days E)18 days OPINIONS START >>>0: #### C >>>1: #### C >>>2: #### C >>>3: #### B >>>4: #### E >>>5: #### C >>>6: #### C OPINIONS END ...
QUESTION:If x and y are integers, what is the least positive number of 24x+9y? options: A)1 B)3 C)4 D)6 E)9 OPINIONS START >>>0: #### B >>>1: #### 1:24x+9y = 3(8x+3y) = 3(3(8x/3)+3y/3) = 3(3(8x/3)+y) = 3(3(8x/3)+y) = 3(3(8x/3)+y) = 3(3(8x/3)+y) = 3(3(8x/3)+y) = 3(3(8x/3)+y) = 3(3(8x/3)+y) = 3(3(8x/3)+y) = 3(3(8x/3)+y) ...
QUESTION:In a Quiz the points in each round for the first,second and third were 1000,50,20 . No other points were given. Sam participated in several rounds in the competition and the product of his score was 50000. In How many rounds did he participate? options: A)Cannot be determined B)43 C)3 D)6 E)10 OPINIONS START >...
QUESTION:?% of 360 = 126 options: A)277 B)35 C)64 D)72 E)None of these OPINIONS START >>>0: #### B >>>1: #### C >>>2: #### 35 >>>3: #### 3:126 = 360 * 126/360 126/360 = 1/3 126 = 360 * 1/3 126 = 120 + 6 6 = 360 * 1/3 - 120 6 = 120 * 1/3 6 = 40 360 = 6 * 360/40 360 = 6 * 9 360 = 36 * 10 360 = 360 * 1 360 = 360 360/360 =...
QUESTION:In one hour, a boat goes 14 km/hr along the stream and 8 km/hr against the stream. The speed of the boat in still water (in km/hr) is: options: A)12 km/hr B)11 km/hr C)10 km/hr D)8 km/hr E)15 km/hr OPINIONS START >>>0: #### B >>>1: #### A >>>2: #### A >>>3: #### B >>>4: #### C >>>5: #### A >>>6: #### B OPINION...
QUESTION:An article is bought for Rs.750 and sold for Rs.700, find the loss percent? options: A)6 2/5% B)6 2/9% C)6 5/3% D)6 3/3% E)6 2/3% OPINIONS START >>>0: #### A >>>1: #### E >>>2: #### E >>>3: #### A >>>4: #### E (6.67%) >>>5: #### E >>>6: #### E OPINIONS END SOLUTION:750 ---- 50 50 ---- ? => 6 2/3% Answer: E ###...
QUESTION:Two numbers are in the ratio of 5:7. If 25 be subtracted from each, they are in the ratio of 35:59. Find the numbers? options: A)60,87 B)60,81 C)60,88 D)60,84 E)60,89 OPINIONS START >>>0: #### D >>>1: #### D >>>2: #### A >>>3: #### A >>>4: #### None of the above. >>>5: #### 5:Let the numbers be 5x and 7x 5x-25...
QUESTION:What is the next number in the given series 4,18,100,294,....? options: A)1210 B)1220 C)1230 D)1240 E)1250 OPINIONS START >>>0: #### 3880 >>>1: #### >>>2: #### D >>>3: #### E >>>4: #### 4:The next number in the series is 1272. The pattern is that each number is obtained by multiplying the previous number by ...
QUESTION:A train running at the speed of 60 km/hr crosses a pole in 9 seconds. Find the length of the train. options: A)150 meter B)250 meter C)200 meter D)480 meter E)153 meter OPINIONS START >>>0: #### A** >>>1: #### A >>>2: #### A >>>3: #### C >>>4: #### A >>>5: #### 5:Let the length of the train be x meters. Then, ...
QUESTION:Two trains are running in opposite directions in the same speed. The length of each train is 120 meter. If they cross each other in 12 seconds, the speed of each train (in km/hr) is options: A)42 B)36 C)28 D)20 E)24 OPINIONS START >>>0: #### B >>>1: #### B >>>2: #### E >>>3: #### E >>>4: #### A >>>5: #### B >>...
QUESTION:Eighteen years ago, a father was three times as old as his son. Now the father is only twice as old his son. Then the sum of the present ages of the son and the father is? options: A)109 B)106 C)104 D)108 E)101 OPINIONS START >>>0: #### D >>>1: #### D >>>2: #### D >>>3: #### C >>>4: #### D (108) >>>5: #### E >...
QUESTION:A flagpole 18 meters high casts a shadow of length 45 meters. If a building under similar conditions casts a shadow of length 50 meters, what is the height of the building (in meters)? options: A)16 B)20 C)24 D)28 E)32 OPINIONS START >>>0: #### B >>>1: #### B >>>2: #### C >>>3: #### C >>>4: #### C >>>5: #### B...
QUESTION:If n is the product of three consecutive integers, and n is divisible by 6, which of the following is not necessarily a divisor of n ? options: A)242 B)4 C)6.8 D)5 E)0. OPINIONS START >>>0: #### A >>>1: #### C >>>2: #### E >>>3: #### 3:Let the three consecutive integers be x, x+1, x+2. n = x*(x+1)*(x+2) n is d...
QUESTION:The factorial expression 10!/2! is not divisible by which of the following integers? options: A)3 B)5 C)6 D)7 E)None of these OPINIONS START >>>0: #### D >>>1: #### E >>>2: #### E >>>3: #### # E >>>4: #### E >>>5: #### 5:10!/2!=10*9*8*7*6*5*4*3*2/2!=10*9*8*7*6*5*4*3*2*2*1/2!=10*9*8*7*6*5*4*3*2*1=10*9*8*7*6*5*4...
QUESTION:A crate of mangoes contains one bruised mango for every thirty mango in the crate. If three out of every four bruised mango are considerably unsaleable and there are 12 unsaleable mangoes in the crate then how many mango are there in the crate? options: A)480 B)580 C)680 D)280 E)380 OPINIONS START >>>0: #### A...
QUESTION:Abel can complete a work in 10 days, Ben in 12 days and Carla in 15 days. All of them began the work together, but Abel had to leave after 2 days and Ben 5 days before the completion of the work. How long did the work last? options: A)6 B)7 C)8 D)8 1/9 E)10 OPINIONS START >>>0: #### D >>>1: #### C >>>2: #### E...
QUESTION:If the number 653ab is divisible by 90, then (a + b) = ? options: A)2 B)3 C)4 D)6 E)8 OPINIONS START >>>0: #### C >>>1: #### D >>>2: #### C >>>3: #### 3:Let's break down the problem: 1. The number 653ab is divisible by 90, which means that the sum of its digits (a + b) must be a multiple of 9. 2. The number 6 ...
QUESTION:A car covers a distance of 624 km in 3 hours. Find its speed? options: A)104 kmph B)194 kmph C)208 kmph D)174 kmph E)101 kmph OPINIONS START >>>0: #### C >>>1: #### C >>>2: #### C >>>3: #### C >>>4: #### C >>>5: #### C >>>6: #### C OPINIONS END SOLUTION:624/3 =208 kmph Answer:C #### C
QUESTION:If p/q =4/5, then the value of 1/7 + {(2q - p) / (2q + p)} is ? options: A)4 / 7 B)34 C)1 D)2 E)3 OPINIONS START >>>0: #### A >>>1: #### A >>>2: #### B >>>3: #### D >>>4: #### 4:Explanation: Given p/q = 4/5 => p = 4q Substituting the value of p in the given expression, we get 1/7 + {(2q - 4q) / (2q + 4q)} => 1...
QUESTION:The length of a room is 5.5 m and width is 3.75 m. Find the cost of paving the floor by slabs at the rate of Rs. 1200 per sq. metre. options: A)Rs. 15000 B)Rs. 15550 C)Rs. 24750 D)Rs. 16500 E)None of these OPINIONS START >>>0: #### C >>>1: #### C >>>2: #### C >>>3: #### C >>>4: #### C >>>5: #### C >>>6: #### C...
QUESTION:City A to city B, Andrew drove for 1hr at 46 mph and for 3 hours at 60 mph. What was the average speed for the whole trip? options: A)56.5 B)57.5 C)61 D)61.5 E)62.5 OPINIONS START >>>0: #### A >>>1: #### A >>>2: #### A >>>3: #### A >>>4: #### A >>>5: #### B >>>6: #### A OPINIONS END SOLUTION:The total distance...
QUESTION:4,25,49,121,169,289, options: A)361 B)169 C)189 D)209 E)219 OPINIONS START >>>0: #### A >>>1: #### 1:4,25,49,121,169,289 are squares of 2,5,7,11,13,17 Now 17^2 = 289 289+1 = 290 290 is not a perfect square 289+2 = 291 291 is not a perfect square 289+3 = 292 292 is not a perfect square 289+4 = 293 293 is not a ...
QUESTION:An empty fuel tank to a car was filled with A type of petrol. When the tank was half empty, it was filled with B type of petrol. Again when the tank was half empty, it was filled with A type of petrol. When the tank was half empty again,it was filled with B type of petrol. At this time, what was the percentage...
QUESTION:How much water should be added to 13 liters of a 20%-solution of alcohol to reduce the concentration of alcohol in the solution by 75% ? options: A)25 liters B)27 liters C)30 liters D)32 liters E)35 liters OPINIONS START >>>0: #### 39 >>>1: #### 1:Let the amount of water to be added be x liters So, the amount ...
QUESTION:If 3log(4*5^2) = x, find x options: A)5 B)6 C)7 D)8 E)9 OPINIONS START >>>0: #### B >>>1: #### B >>>2: #### B >>>3: #### B >>>4: #### 4:We have 3log(4*5^2) = x = 3[log(4) + log(5^2)] = 3[log(4) + 2log(5)] = 3[1 + 2log(5)] = 3[1 + 2*log(5)] = 3[1 + 2*log(5)] = 3[1 + 2*log(5)] = 3[1 + 2*log(5)] = 3[1 + 2*log(5)]...
QUESTION:Applying VBODMAS rule options: A)31/120 B)31/129 C)31/1276 D)31/122 E)31/111 OPINIONS START >>>0: #### A >>>1: #### D >>>2: #### A >>>3: #### A >>>4: #### C >>>5: #### 5:31/120 = 31/120 = 31/120 = 31/120 = 31/120 = 31/120 = 31/120 = 31/120 = 31/120 = 31/120 = 31/120 = 31/120 = 31/120 = 31/120 = 31/120 = 31/120...
QUESTION:In a certain parking lot, 4% of the cars are towed for parking illegally. However 80% of the cars which are parked illegally are not towed. What percentage of cars in the parking lot are parked illegally? options: A)20% B)25% C)30% D)35% E)40% OPINIONS START >>>0: #### A >>>1: #### E >>>2: #### A >>>3: #### A ...
QUESTION:Farm Tax is levied on the 45% of the cultivated Land. The tax department collected total $ 3840 through the farm Tax from the village of Mr. willam. Mr. willam paid only $ 480 as farm tax. The percentage of total land of Mr. willam over the total taxable land of the village is : options: A)15% B)25% C)15.125% ...
QUESTION:Amol was asked to calculate Arithmetic mean of 10 positive integers, each of which had 2 digits. By mistake, he interchanged the 2 digits, say a and b,in one of these 10 integers. As a result, his answer for the Arithmetic mean was 1.8 more than what it should have been. Then b - a equals options: A)1 B)2 C)3 ...
QUESTION:Suresh started a business with Rs.20,000. Kiran joined him after 4 months with Rs.30,000. After 2 months, Suresh withdrew Rs.5,000 of his capital and 2 more months later, Kiran brought in Rs.20,000 more. What should be the ratio in which they should share their profits at the end of the year? options: A)32:21 ...
QUESTION:The 8 spokes of a custom circular bicycle wheel radiate from the central axle of the wheel and are arranged such that the sectors formed by adjacent spokes all have different central angles, which constitute an arithmetic series of numbers (that is, the difference between any angle and the next largest angle i...
QUESTION:The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 5 minutes, then the area of the park (in sq. m) is: options: A)153601 B)153600 C)153602 D)60000 E)153604 OPINIONS START >>>0: #### D >>>1:...
QUESTION:The average of 35 students in a class is 17 years. The average age of 25 students is 15. What is the average age of remaining 10 students? options: A)26 years B)27 years C)28 years D)29 years E)30 years OPINIONS START >>>0: #### 22 >>>1: #### >>>2: #### >>>3: #### A >>>4: #### C >>>5: #### A >>>6: #### C OPI...
QUESTION:If a and b are positive integers such that a/b = 3.98, which of the following must be a divisor of a? options: A)67 B)197 C)91 D)199 E)42 OPINIONS START >>>0: #### 0:Here's how to solve this problem: * **Understanding the >>>1: #### D >>>2: #### 2:We can write a/b = 3.98 as a/b = 398/100 Now, a/b = 398/100 = ...
QUESTION:A distributor sells a product through an online store, which take a commission of 20% of the price set by the distributor. The distributor obtains the product from a producer at the price of $18 per item. What is the price that the buyer observers online if the distributor wants to maintain a 20% profit on the...
QUESTION:A can do a particular work in 6 days . B can do the same work in 8 days. A and B signed to do it for Rs. 3200. They completed the work in 3 days with the help of C. How much is to be paid to C? options: A)Rs. 380 B)Rs. 600 C)Rs. 420 D)Rs. 400 E)Rs. 480 OPINIONS START >>>0: #### >>>1: #### D >>>2: #### D >>>3:...
QUESTION:John and Jacob set out together on bicycle traveling at 12 and 9 miles per hour, respectively. After 40 minutes, John stops to fix a flat tire. If it takes John one hour to fix the flat tire and Jacob continues to ride during this time, how many hours will it take John to catch up to Jacob assuming he resumes ...
QUESTION:A young girl counted in the following way on the fingers of her left hand. She started collang the thumb 1, the index finger 2, the middle finger 3, the ring finger 4, the little finger 5, then reversed direction calling the ring finger 6, the the middle finger 7, the index finger 8, the thumb 9 then back to t...
QUESTION:A shopkeeper buys mangoes at the rate of 6 a rupee and sells them at 4 a rupee. Find his net profit or loss percent? options: A)33 1/8 % B)33 7/3 % C)50 % D)33 5/8 % E)34 1/3 % OPINIONS START >>>0: #### C >>>1: #### D >>>2: #### E >>>3: #### E >>>4: #### E >>>5: #### 5:Solution Let the number of mangoes bought...
QUESTION:12 welders work at a constant rate they complete an order in 3 days. If after the first day, 9 welders start to work on the other project, how many more days the remaining welders will need to complete the rest of the order? options: A)5 B)2 C)8 D)4 E)6 OPINIONS START >>>0: #### C >>>1: #### 1:12 welders compl...
QUESTION:5 noun, 4 verbs and 3 adjectives are written on blackboard.we can form sentence by choosing 1 from each available set without caring it makes sense or not.what is the number of ways of doing this?? options: A)360 B)430 C)510 D)540 E)630 OPINIONS START >>>0: #### E >>>1: #### A >>>2: #### D >>>3: #### C >>>4: #...
QUESTION:45 workers work 8 hours to dig a hole 30 meters deep. How many extra workers should be hired to dig another hole 55 meters deep by working for 6 hours? options: A)50 B)55 C)60 D)65 E)70 OPINIONS START >>>0: #### D >>>1: #### 1:45*8*30 = 10800 45*6*55 = 14850 14850/10800 = 1.37 1.37 = 1 + 0.37 0.37 = 0.37*100 =...
QUESTION:An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3 hours 30 min to fill the tank. In what time the leak can drain out all the water of the tank and will make tank empty ? options: A)10 hours B)13 hours C)17 hours D)21 hours E)25 hours OPINIONS START >>>0: #### D >>>1: #### 1:...
QUESTION:In a apartment, 30% of the people speak English, 20% speak Hindi and 10% speak both. If a people is selected at random, what is the probability that he has speak English or Hindi? options: A)1/2 B)1/3 C)2/5 D)2/7 E)3/7 OPINIONS START >>>0: #### >>>1: #### C >>>2: #### A >>>3: #### C >>>4: #### C >>>5: #### C ...
QUESTION:What is the total number of integers between 20 and 80 (exclusive)that are divisible by 10? options: A)5 B)7 C)4 D)9 E)3 OPINIONS START >>>0: #### A >>>1: #### A >>>2: #### A >>>3: #### A >>>4: #### B >>>5: #### A >>>6: #### C OPINIONS END SOLUTION:30,40,50,60,70 total 5 Answer is A #### A
QUESTION:Tough and Tricky questions: Mixture Problems. A drink holding 6 ounces of an alcoholic drink that is 1 part rum to 2 parts coke is added to a jug holding 35 ounces of an alcoholic drink that is 1 part rum to 3 parts coke. What is the ratio of rum to coke in the resulting mixture? options: A)2:5 B)5:15 C)3:5 D)...
QUESTION:In a bag containing only blue, red and green marbles, all but 15 are blue, all but 13 are red and all but 12 are green. How many are red? options: A)13 B)7 C)25 D)20 E)10 OPINIONS START >>>0: #### B >>>1: #### B >>>2: #### B >>>3: #### A >>>4: #### B >>>5: #### B >>>6: #### B OPINIONS END SOLUTION:All but blue...
QUESTION:A 6000 liter tank, half-full of water is being filled from a pipe with a flow rate of 1 kiloliter every 2 minutes. At the same time, the tank is losing water from two drains at a rate of 1 kiloliter every 4 minutes and every 6 minutes. How many minutes does it take to fill the tank completely? options: A)8 B)1...
QUESTION:Which of the following is equal to the value of 2^7 + 2^7 + 3^7 + 3^7 + 3^7 ? options: A)2^8 + 3^8 B)2^6 + 3^8 C)2^8 + 3^6 D)2^9 + 3^9 E)2^5 + 3^5 OPINIONS START >>>0: #### E >>>1: #### A >>>2: #### A >>>3: #### B >>>4: #### None of the options is correct. >>>5: #### A >>>6: #### E OPINIONS END SOLUTION:2^7 + ...
QUESTION:A, Band C enter into a partnership by investing in the ratio of 3 : 2: 4. After 1 year, B invests another Rs. 2,70,000 and C, at the end of 2 years, also invests Rs.2,70,000. At the end of three years, profits are shared in the ratio of 3 : 4 : 5. Find initial investment of each. options: A)360000;180000;27000...
QUESTION:An article is bought for Rs.675 and sold for Rs.900, find the gain percent? options: A)33 1/7% B)33 2/3% C)33 1/3% D)37 1/3% E)23 1/3% OPINIONS START >>>0: #### C >>>1: #### C >>>2: #### B >>>3: #### B >>>4: #### C >>>5: #### C >>>6: #### C OPINIONS END SOLUTION:675 ---- 225 100 ---- ? => =33 1/3% Answer:C ###...
QUESTION:A basket contains 10 apples and 20 oranges out of which 3 apples and 5 oranges are defective. If we choose two fruits at random, what is the probability that either both are oranges or both are non defective? options: A)316/439 B)316/438 C)316/435 D)316/299 E)316/199 OPINIONS START >>>0: #### C >>>1: #### C >>...
QUESTION:A rectangular of certain dimensions is chopped off from one corner of a larger rectangle as shown. AB = 8 cm and BC = 4 cm. The perimeter of the figure ABCPQRA (in cm) is : options: A)24 B)28 C)36 D)48 E)None of these OPINIONS START >>>0: #### E >>>1: #### D >>>2: #### C >>>3: #### B >>>4: #### 4:The missing s...
QUESTION:The sum of the two numbers is 11 and their product is 24. What is the sum of the reciprocals of these numbers ? options: A)11/24 B)11/25 C)13 D)13/15 E)None OPINIONS START >>>0: #### A >>>1: #### A >>>2: #### A >>>3: #### C >>>4: #### A >>>5: #### A >>>6: #### A OPINIONS END SOLUTION:Let the numbers be x x and...
QUESTION:What is the sum of the different positive prime factors of 380? options: A)5 B)10 C)15 D)17 E)26 OPINIONS START >>>0: #### E >>>1: #### E >>>2: #### E >>>3: #### A >>>4: #### D >>>5: #### E >>>6: #### E OPINIONS END SOLUTION:Prime factorization of 380 =38 * 10 =2*19 * 10 =2*19 * 2*5 =2^2 * 5 * 19 Sum of the di...