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A train 600 m long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 min, then the length of the tunnel is? |
By investing Rs. 1620 in 8% stock, Michael earns Rs. 135. The stock is then quoted at: |
The sale price sarees listed for Rs.400 after successive discount is 10% and 5% is? |
If the selling price of 7 articles is same as the cost price of 10 articles. Find the gain or loss percentage? |
How many 4 letter words can we make from the letters in an alphabet? |
A certain characteristic in a large population has a distribution that is symmetric about the mean m. If 68% of the distribution lies one standard deviation f of the mean, what percent of the distribution is less than m+f? |
one pipe can fill a tank in 15 hour.but because of hole in a tank,this tank fill in 20 hour.so in how much time this hole will empty the full tank? |
Mr. John used to purchase certain number of mangoes for $360 Since the price of mangoes is reduced by 10% he got 12 more mangoes today. Find the original price of 115 mangoes. |
A meal cost $ 33.50 and there was no tax. If the tip was more than 10 pc but less than 15pc of the price, then the total amount paid should be: |
A line with slope 2 intersects a line with slope 6 at the point (40, 30).
What is the distance between the x-intercepts of these lines? |
A man can row upstream at 25 kmph and downstream at 35 kmph, and then find the speed of the man in still water? |
Four balls of different colors are to be placed in three different boxes such that any box contains at least 1 ball . What is the maximum number of different ways in which this can be done? |
In what ratio must rice at Rs.9.30 per Kg be mixed with rice at Rs.10.80 per Kg so that the mixture be worth Rs.10 per Kg? |
A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 hours to fill the tank. The leak can drain all the water of the tank in: |
A shopkeeper loses 15%,if an article is sold for Rs. 102. What should be the selling price of the article to gain 20%? |
S1 = 5 S2 = 8 ... Sn = 3n + 4 For the sequence above, in which any term n is defined as 3n + 4, what is the value of n for the first term in the sequence to exceed 50? |
Two numbers are in the ratio 1:2, if 7 is added to both, their ratio changes to 3:5. The greatest number is |
one disk of 20cm radius, out of that 4 disk of 5cm are cut , find diffrence of leftout and cut out area? |
A certain sum amounts to Rs.1725 in 3 years and Rs.1875 in 5 years. Find the rate % per annum? |
If the Average (mean ) of 11 positive temperatures is x degrees fahrenheit, then the sum of the 3 greatest of these temperatures, in degrees Fahrenheit, could be |
The average expenditure of a labourer for 6 months was 75 and he fell into debt. In the next 4 months by reducing his monthly expenses to 60 he not only cleared off his debt but also saved 30. His monthly income i |
Sum of the squares of 3 no. is 156 and the sum of their products taken two at a time is 50. Find the sum? |
log xy3 = a; log x2y = b then then value of log y /log x |
The slant height of a cone is 20 cm and radius of the base is 10 cm, find the curved surface of the cone. |
A bag of potatoes weighs 16 kg divided by a quarter of its weight. How much does the bag weigh? |
Two boats are heading towards each other at constant speeds of 5 miles/hr and 21 miles/hr respectively. They begin at a distance 20 miles from each other. How far are they (in miles) one minute before they collide ? |
Using all the letters of the word "THURSDAY", how many different words can be formed? |
The distance between Delhi and Mathura is 130 kms. A starts from Delhi with a speed of 25 kmph at 7 a.m. for Mathura and B starts from Mathura with a speed of 30 kmph at 9 p.m. from Delhi. When will they meet? |
In the following sequence: [x, y, z, 5, 7, 16, 28] each number is equal to the sum of the three numbers preceding it. What is x+y? |
If x and y are positive integers, then xy + x is |
What is the product of all the possible values of x if x^2+4x+7=|x+2|+3 |
A, B and C jointly thought of engaging themselves in a business venture. It was agreed that A would invest Rs. 6500 for 6 months, B, Rs. 8400 for 5 months and C, Rs. 10,000 for 3 months. A wants to be the working member for which, he was to receive 5% of the profits. The profit earned was Rs. 7400. Calculate the share ... |
If x = (y)(y + 1) and y is a prime number less than 10, which of the following could not be the product of 2 consecutive integers? |
he average amount with a group of seven numbers is Rs. 20. If the newly joined member has Rs. 50 with him, what was the average amount with the group before his joining the group? |
A statue is being carved by a sculptor. The original piece of marble weighed 140 kg. In the first week 60 percent is cut away. In the second week 40 percent of the remainder is cut away. In the third week the statue is completed when 30 percent of the remainder is cut away. What is the weight of the final statue? |
A library has an average of 510 visitors on sundays and 240 on other days . The avearge number of visitors per day in a month of 30 days beginning with a sunday is? |
a number divided by 24 leaves remainder 56 what is the remainder when same number divided by 7 |
If three sides of the triangle are 8 , 15 and A respectively then the how many values can A ? |
In a paper factory 150 samples of sheets of paper were taken from a machine and checked for quality. Of these 150 samples, it was found that 3 sheets of paper were defective. If 500 bundles (10,000 sheets of paper per bundle) were produced by this machine, what is the approximate number of sheets of paper defective? |
Three circles of radius 3.5cm are placed in such a way that each circle touches the other two. The area of the portion enclosed by the circles is |
Total of the ages of A, B ahd C at present is 90 years. Ten years ago, the ratio of their ages was 1: 2:
3. What is the age of B at present |
The profit earned by selling an article for Rs. 832 is equal to the loss incurred when the same article is sold for Rs. 448. What should be the sale price for making 40% profit? |
The ratio between the perimeter and the breadth of a rectangle is 5 : 1. If the area of the rectangle is 216 sq. cm, what is the length of the rectangle? |
A train 100 meters long completely crosses a 300 meters long bridge in 45 seconds. What is the speed of the train is? |
There is a sequence ni such, in which i is a positive integer, ni+1=2ni.
If n1=1, n2=2, n3=4, n4=8, what is the scope including n61? |
Forks, Spoons, and Knives in drawer are in the ratio of 4: 4 : 3. If there are 16 Forks, the number of Knives in the drawer is: |
The edge of three cubes of metal is 3 dm, 4 dm and 5 dm. They are melted and formed into a single cube. Find the edge of the new cube? |
Bobby bought 2 shares, and which he sold for $124 each. If he had a profit of 40% on the sale of one of the shares but a loss of 17% on the sale of the other share, then on the sale of both shares Bobby had... |
Mona and Donald fly to Rome for the weekend. They take cash only in notes of $10 and notes of €10. Mona carries three times the amount of euros Donald carries. She also carries as many dollars as Donald carries. The number of €10 notes they take is double the number of $10 notes they take. If Donald carries a total of ... |
A fair price shopkeeper takes 10% profit on his goods. He lost 30% goods during theft. His loss percent is: |
The circumferences of two circles are 264 meters and 352 meters. Find the difference between the areas of the larger and the smaller circles? |
If 2|2 –s| = 5, what is the sum of all the possible values for s ? |
How many seconds will a train 100 meters long take to cross a bridge 150 meters long if the speed of the train is 36 kmph? |
If x is a number such that x^2 + 4x - 5 = 0 and x^2 + x - 20 = 0, then x = |
A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. How far is the place? |
A person goes to his office at 1/3rd of the speed at which he returns from his office. If the avg speed during the whole trip is 18m/h. what is the speed of the person while he was going to his office? |
In the Hillside summer camp there are 50 kids. 90% of the kids are boys and the rest are girls. The camp administrator decided to make the number of girls only 5% of the total number of kids in the camp. How many more boys must she bring to make that happen? |
A dealer purchased toys at 1/2 of their list price and sold them for 10% more than the list price. What is his percent gain? |
A man sitting in a train which is travelling at 50 kmph observes that a goods train, travelling in opposite direction, takes 9 seconds to pass him. If the goods train is 280 m long, find its speed. |
A merchant gains or loses, in a bargain, a certain sum. In a second bargain, he gains 550 dollars, and, in a third, loses 120. In the end he finds he has gained 300 dollars, by the three together. How much did he gain or lose bv the first ? |
The ratio between x and y is 7/9; x is increased by 4 and y is decreased by 4, what is the ratio between the new values of x and y? |
There is rain all over the city at a rate of 7 centimeters per hour. If a person is waiting in his house for the rain to stop how long did he wait to go out. The rain water filled a bucket of 28 centimeters depth and 200 square meters area? |
16 men can complete a piece of work in 25 days. In how many days can 20 men complete that piece of work? |
in a soap company a soap is manufactured with 11 parts.for making one soap you will get 1 part as scrap.at the end of the day you have 251 such scraps.from that how many soaps can be manufactured? |
The average (arithmetic mean) of all scores on a certain algebra test was 90. If the average of the 8 male students’ grades was 82, and the average of the female students’ grades was 92, how many female students took the test? |
Sam purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. What was his percentage profit? |
If the function f(x) is defined for all real numbers x as the maximum value of 2x + 2 and 12 + 3x, then for which one of the following values of x will f(x) actually equal 2x + 2 ? |
A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is: |
The average (arithmetic mean) of eight numbers is 48.1. If the sum of half of these numbers is 158.4, what is the average of the other half? |
A man buys two articles for Rs.1980 each and he gains 10% on the first and loses 10% on the next. Find his total gain or loss percent? |
How many possible ways can 2 girls (Rebecca, Kate, Ashley) go on a date with 3 boys (Peter, Kyle, Sam)? |
5% people of a village in Sri Lanka died by bombardment, 15% of the remainder left the village on account of fear. If now the population is reduced to 3553, how much was it in the beginning? |
If a - b = 3, a^2 + b^2 = 29 ,find the value of ab. |
On a sum of money, the simple interest for 2 years is Rs. 660,while the compound interest is Rs.696.30,the rate of interest being the same in both the cases. The rate of interest is |
Walking at 6/7th of his usual speed, a man is 25 mins too late. His usual time is |
A shop purchased a pair of shoes for $150 and was selling it at a price that equaled the purchase price of the shoes plus a markup that was 25 percent of the selling price. After some time a shop owner decided to decrease the selling price by 20 percent. What was the shop's gross profit on this sale? |
A bag contains 12 white and 18 black balls. 2balls are drawn in succession. What is the probability that first is white and second is black? |
What is the sum of all the odd numbers between 24 and 50, inclusive? |
A shipment of 8 TV sets contains 5 black and white sets and 3 color sets. If 2 TV sets are to be chosen at random from this shipment, what is the probability that at least 1 of the 2 sets chosen will be a black and white set? |
What approximate value should come in place of the question mark (?) in the following equation?
1.542 × 2408.69 + 5134.632 = ? |
In a contest, a bowl contains 9 keys, one of which will open a treasure chest and eight of which will not. If a contestant selects the key that opens the treasure chest, she wins the contents of that chest. If Ram is allowed to draw two keys, simultaneously and at random, from the bowl as the first contestant, what is ... |
Four extra-large sandwiches of exactly the same size were ordered for m students, where m > 5. Three of the sandwiches were evenly divided among the students. Since 4 students did not want any of the fourth sandwich, it was evenly divided among the remaining students. If Carol ate one piece from each of the four sandwi... |
The average of five numbers is 20. If one number is excluded, the average becomes 18. The excluded number is? |
A started a business with an investment of Rs. 70000 and after 6 months B joined him investing Rs. 120000. If the profit at the end of a year is Rs. 52000, then the share of B is? |
An empty fuel tank with a capacity of 200 gallons was filled partially with fuel A and then to capacity with fuel B. Fuel A contains 12% ethanol by volume and fuel B contains 16% ethanol by volume. If the full fuel tank contains 30 gallons of ethanol, how many gallons of fuel A were added? |
At the Widget factory, 20 percent of the employees are engineers and 50 percent are builders. If there are 57 other employees at the Widget factory, how many total employees work there? |
The value of P, when 4864 x 9P2 is divisible by 12, is: |
A can do a piece of work in 80 days. He works at it for 10 days & then B alone
finishes the remaining work in 42 days. In how much time will A and B, working
together, finish the work? |
If x, y, and z are positive integers and x^2 = y^2 + z^2, which of the following must be true?
I. x > z
II. x = y + z
III. y^2 + z^2 is a positive integer |
What is the number of integers from 1 to 1000 (inclusive) that are divisible by neither 11 nor by 35? |
If 8 men or 12 women can do a piece of work in 30 days, in how many days can the same work be done by 6 men and 11 women? |
Of a set of 30 numbers, average of 1st 10 numbers is equal to average of last 20 numbers. The sum of last 20 numbers is? |
The product of the squares of two positive integers is 100. How many pairs of positive integers satisfy this condition? |
What is the sum of 60 consecutive integers from -30 inclusive, in a increasing order? |
A certain animal in the zoo has consumed 39 pounds of food in six days. If it continues to eat at the same rate, in how many more days will its total consumption be 156 pounds? |
John makes $50 a week from his job. He earns a raise and now makes $70 a week. What is the % increase? |
Which of the following fractions can be written as the difference of reciprocals of two consecutive integers |
What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ? |
The time in a clock is 20 minute past 2. Find the angle between the hands of the clock. |
A pet groomer has 7 animals to groom for the day (2 cats and 5 dogs). If she randomly selects 4 animals to groom before lunch, what is the probability she will finish all the cats before lunch? |
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