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500 is increased by 30%. Find the final number.
Find the cost of fencing around a circular field of diameter 28 m at the rate of Rs.1.50 a meter?
If the President and Vice President must sit next to each other in a row with 4 other members of the Board, how many different seating arrangements are possible?
Find the average of first 10 natural numbers.
A store sells four different kinds of shirts. If we want to buy two different kinds of shirts, how many possible combinations of two shirts can we buy?
A jogger running at 9 km/hr along side a railway track is 240 m ahead of the engine of a 120 m long train running at 45 km/hr in the same direction. In how much time will the train pass the jogger?
A train covers a distance of 12 km in 5 min. If it takes 6 sec to pass a telegraph post, then the length of the train is?
The prime sum of an integer n greater than 1 is the sum of all the prime factors of n, including repetitions. For example , the prime sum of 12 is 7, since 12 = 2 x 2 x 3 and 2 +2 + 3 = 7. For which of the following integers is the prime sum greater than 36 ?
Two years ago, Arthur gave each of his five children 20 percent of his fortune to invest in any way they saw Fit. In the first year, three of the children, Alice, Bob, and Carol, each earned a profit of 50 percent on their Investments, while two of the children, Dave and Errol, lost 40 percent on their investments. In ...
How many words can be formed from the letters of the word ‘DIRECTOR’ So that the vowels are always together?
At a restaurant, glasses are stored in two different-sized boxes. One box contains 12 glasses, and the other contains 16 glasses. If the average number of glasses per box is 15, and there are 16 more of the larger boxes, what is the total number of glasses R at the restaurant? (Assume that all boxes are filled to capac...
There are 9 teams in a certain league and each team plays each of the other teams exactly twice. If each game is played by 2 teams, what is the total number of games played?
A factory that employs 1000 assembly line workers pays each of these workers $5 per hour for the first 40 hours worked during a week and 1½ times that rate for hours worked in excess of 40. What was the total payroll for the assembly-line workers for a week in which 30 percent of them worked 25 hours, 50 percent worked...
The instructions state that Deepthi needs 4/17 square yards of one type of material and 3/10 square yards of another type of material for a project. She buys exactly that amount. After finishing the project, however, she has 9/30 square yards left that she did not use. What is the total amount of square yards of materi...
A dishonest dealer uses a scale of 85 cm instead of a metre scale and claims to sell at cost price. His profit is
If 42.12 = k(14 + m/50), where k and m are positive integers and m < 50, then what is the value of k + m ?
(68-a)(68-b)(68-c)(68-d)(68-e)=725.wat is the value of a+b+c+d?
If the integer n has exactly four positive divisors, including 1 and n, how many positive divisors does n^2 have?
A placed three sheets with two carbons to get two extra copies of the original. Then he decided to get more carbon copies and folded the paper in such a way that the upper half of the sheets were on top of the lower half. Then he typed. How many carbon copies did he get?
Two fair die with sides numbered 1 to 6 are tossed. What is the probability that the sum of the exposed faces on the die is a prime number?
1,345 1,354 1,435 ..... .... +5,431 The addition problem above shows four of the 24 different integers that can be formed by using each of the digits 1,3,4,5 exactly once in each integer. What is the sum of these 24 integers?
A batsman makes a score of 65 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning.
The actual price of an article was Rs. 6000/- the successive discount on 10% and 20% then Finds the selling price
If a(a + 5) = 6 and b(b + 5) = 6, where a ≠ b, then a + b =
John and Peter are among the eight players a volleyball coach can choose from to field a six-player team. If all six players are chosen at random, what is the probability of choosing a team that includes John and Peter?
If 15 Horses eat 15 bags of gram in 15 days, in how many days will one horse eat one bag of Grain?
An urn contains 10 balls, numbered from 1 to 10. If 2 balls are selected at random with replacement from the urn, what is the probability P that the sum of the 2 numbers on the balls will be even?
The speed of a boat in still water is 60kmph and the speed of the current is 10kmph. Find the speed downstream and upstream?
A die is thrown three times. Events X and Y are defined as below: X : 4 on the third throw Y : 6 on the first and 5 on the second throw What is the probability of X given that Y has already occurred.
In a pet shop there are 120 eyes and 172 legs. How many birds and puppies are included in these?
Two boats are heading towards each other at constant speeds of 4 miles/hr and 20 miles/hr respectively. They begin at a distance 20 miles from each other. How far are they (in miles) one minute before they collide ?
0.009/x=0.03. find the value of X
In a room with 6 people, 4 people have exactly 1 friend in the room and 3 people have exactly 2 friends in the room (Assuming that friendship is a mutual relationship, i.e. if Jane is Paul's friend, Paul is Jane's friend). If two individuals are selected from the room at random, what is the probability that those two i...
A box contains TWELVE bulbs out of which 3 are defective. If THREE bulbs are chosen at random, find the probability that atleast one bulb is good?
Buses leave town B at 3 pm and every 10 hours after that. Buses leave town C at 4pm and every 15 hours after that. If the buses follow this schedule beginning on a Monday, what is the earliest day D on which the buses leave at the same time.
find the ratio of 8th and 4th term of sequence 3.1, 6.2, 12.4, .....?
A wire in the form of a circle of radius 3.5 m is bent in the form of a rectangule, whose length and breadth are in the ratio of 6 : 5. What is the area of the rectangle?
Eight friends met for lunch at an expensive restaurant, and everyone decided to contribute equally to the total bill of $680. If one of the friends had a coupon for 12% off the total bill, and if each friend still contributed equally after the coupon was applied to the bill, how much did each friend pay?
A train crosses a platform of 150 m in 15 sec, same train crosses another platform of length 250 m in 20 sec. then find the length of the train?
P and Q started a business with respective investments of Rs. 4 lakhs and Rs. 10 lakhs. As P runs the business, his salary is Rs. 5000 per month. If they earned a profit of Rs. 2 lakhs at the end of the year, then find the ratio of their earnings?
If the area of circle is 520 sq cm then its circumference?
CP of two houses are Rs.1.995 lakhs each. On one gains 5% and on the other, loses 5%. What is the gain or loss percent in the whole transaction?
Rs.1070 is divided so that 4 times the first share, thrice the 2nd share and twice the third share amount to the same. What is the value of the third share?
If an object travels at six feet per second, how many feet does it travel in one hour?
Three friends Alice, Bond and Charlie divide $1260 amongs them in such a way that if $10, $20 and $30 are removed from the sums that Alice, Bond and Charlie received respectively, then the share of the sums that they got will be in the ratio of 10 : 20 : 30. How much did Charlie receive?
In a drawer of shirts 8 are blue, 6 are green and 4 are magenta. If Mason draws 2 shirts at random, what is the probability Q at least one of the shirts he draws will be blue?
A walks at 4 kmph and 4 hours after his start, B cycles after him at 10 kmph. How far from the start does B catch up with A?
What least value must be assigned to * so that th number 197*5462 is divisible by 9?
Find the value of x from this equation? 7(x - 1) = 21
What is his percentage profit made by Felix if he purchased 21 dozen t-shirts at Rs. 12 per dozen. He sold 7 dozens at 15% profit and the remaining 14 dozens with 18% profit?
A certain manufacturer of cake, muffin, and bread mixes has 100 buyers, of whom 50 purchases cake mix, 40 purchase muffin mix, and 15 purchase both cake mix and muffin mix. If a buyer is to be selected at random from the 100 buyers, what is the probability that the buyer selected will be one who purchases neither cake ...
In an island, there are four men for every three women and five children for every three men. How many children are there in the island if it has 531 women ?
A chopper flies along the four sides of a square at the speeds of 100,200,300 and 400 km/hr. Find the average speed of the plane around the field?
How many number of 3 digits can be formed with the digits 1,2,3,4,5 if repetition of digits is not allowed?
A father is 30 years older than his son however he will be only thrice as old as the son after 5 years what is father's present age ?
If t and b are positive numbers, and t^3 + b^3 = 75, then the greatest possible value of t is between:
Two trains are running in opposite directions with the same speed. If the length of each train is 120 m and they cross each other in 12 sec, then the speed of each train is?
The area of a square is 4900 sq cm. Find the ratio of the breadth and the length of a rectangle whose length is same the side of the square and breadth is 20 cm less than the side of the square?
What percent of a day is ten hours?
What is the difference between the place value of 4 in the numeral 7449?
Murali travelled from city A to city B at a speed of 40 kmph and from city B to city C at 60 kmph. What is the average speed of Murali from A to C given that the ratio of distances between A to B and B to C is 2 : 3?
What annual installment will discharge a debt of Rs. 1344 due in 3 years at 12% simple interest?
A man's speed with the current is 12 km/hr and the speed of the current is 2 km/hr. The man's speed against the current is
Irin, Ingrid and Nell bake chocolate chip cookies in the ratio of 9.18: 5.17: 2.05. If altogether they baked a batch of 148 cookies, what percent of the cookies did Irin bake?
The third proportional to 2 and 8 is?
Which of the following leads to the correct mathematical solution for the number of ways that the letters of the word ELECTRIC could be arranged to create a eight-letter code?
(8^16)+(16^13)+(4^23) = ?
What approximate value should come in place of question mark (?) in the following equation? 33 1⁄3% of 768.9 + 25% of 161.2 – 66.12 = ?
Find the greatest number that will divide 28, 128 and 147 leaving 10, 2 and 3 as remainders respectively
Machine A can process 6000 envelopes in 3 hours. Machines B and C working together but independently can process the same number of envelopes in 2.5 hours. If Machines A and C working together but independently process 3000 envelopes in 1 hour, then how many hours would it take Machine B to process 5600 envelopes.
8 / 4 / 2 = ?
When the no.7y86038 is exactly divisible by 11, then the smallest whole no.in place of y?
If the price of gasoline increases by 25% and a driver intends to spend only 5% more on gasoline, by how much percent should the driver reduce the quantity of gasoline that he buys?
Find the average of first 75 natural numbers?
If the circus were to sell all of its 220 tickets for this month's performance at their usual price, the revenue from sales would be 10% greater than that collected last month. However, the circus raised the ticket price by 5% and sold only 200 tickets as a result. What percent less was last month's revenue than that o...
Working together, printer A and printer B would finish the task in 20 minutes. Printer A alone would finish the task in 60 minutes. How many pages does the task contain if printer B prints 4 pages a minute more than printer A ?
The height of the wall is 6 times its width and length of the wall is 7 times its height .if the volume of the wall be 129024 cu.m.its width is
The average age of the district level hockey team of eleven is 35 years.The average age gets increased by 1 year when the coach age is also included.what is the age of the coach ?
P is four times as fast as Q and working together, they can complete a work in 20 days. In how many days can Q alone complete the work?
The number of bacteria in a petri dish increased by 50 percent every 2 hours. If there were 108 million bacteria in the dish at 4: 00 p.m., at what time were there 32 million bacteria in the dish?
20% of a 6 litre solution and 60% of 4 litre solution are mixed. What percentage of the mixture of solution
Suresh can complete a job in 15 hours. Ashutosh alone can complete the same job in 25 hours. Suresh works for 9 hours and then the remaining job is completed by Ashutosh. How many hours will it take Ashutosh to complete the remaining job alone?
Which of the following lists the no. of points at which a circle can intersect a square ?
Out of 12 employs of a bank, one employ retires and his place, a new employ of age 24 years joins as a result average age of employs reduces by 4 years. The age of the retired employ is:
A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?
A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. Find out the number of days for which the remaining food will last.
20,180,9120,40880,501370 which number is wrong in series
A metallic sheet is of rectangular shape with dimensions 48 m x 36 m. From each of its corners, a square is cut off so as to make an open box. If the length of the square is 8 m, the volume of the box (in m3) is:
Three people (1 couple and 1 single) are seated at random in a row of 6 chairs. What is the probability that the couple does not sit together?
A leak in the bottom of a tank can empty the full tank in 8 hours. An inlet pipe fills water at the rate of 6 litres a minute. When the tank is full, the inlet is opened and due to the leak, the tank is empty in 12 hours. How many litres does the cistern hold?
Ratio of the earnings of A and B is 4:7. If the earnings of A increases by 50% and those of B decreased by 25%, the new ratio of their earnings becomes 8:7. What are A's earnings?
A and B together invested Rs. 9,000 in a business. At the end of the year, out of total profit is Rs. 3,000 B's share was Rs. 1500. A's investment was
The average salary of a person for the months of January, February, March and April is Rs.8000 and that for the months February, March, April and May is Rs.8500. If his salary for the month of May is Rs.6500, find his salary for the month of January?
n^(n/2)=6 is true when n=6 in the same way what is the value of n if n^(n/2) =9?
An inspector rejects 0.000008% of the meters as defective. How many will be examine to project ?
A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If three marbles are drawn what is the probability that one is yellow and two are red?
The speed of light is approximately 93 * 10^4 miles per second. This approximate speed is how many miles per hour?
In a certain town, there are four times as many people who were born in the town’s state as there are people who were born in another state or country. The ratio of those residents born in the town’s state to the town’s total population is
The average age of 8 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years. Find the average age of the women?
Set A = {1, 2, 3, 4, 5, 6, w} Which of the following possible values for w would cause Set A to have the smallest standard deviation?

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