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What is the sum of the different positive prime factors of 450?
Find the value of x. (47% of 1442 - 36% of 1412) + 63 = x?
The average age of students in section A of 122 students is 28 years and the average age of students in section B of 180 students is 35 years. Find the average age of students in both sections taken together?
A dishonest dealer professes to sell goods at the cost price but uses a weight of 750 grams per kg, what is his percent?
A tradesman by means of his false balance defrauds to the extent of 45%? in buying goods as well as by selling the goods. What percent does he gain on his outlay?
The ratio between the length and the breadth of a rectangular park is 2 : 3 If a man cycling along the boundary of the park at the speed of 10 km/hr completes one round in 18 min, then the area of the park (in sq. m) is?
A and B together can do a work in 6 days. If A alone can do it in 15 days. In how many days can B alone do it?
At a certain university, the ratio of the number of teaching assistants to the number of students in any course must always be greater than 3:50. At this university, what is the maximum number of students possible in a course that has 5 teaching assistants?
If point A coordinates are (-7, -3) point B coordinates are (8 ,4 ) if C is along the line A-B so that AC = 1/2 CB. What are the coordinates of point C.
If a, b, and c are consecutive odd positive integers and a<b<c, which of the following must be true? I. at least one of the three numbers is prime II. ab>c III. a + b + c = 3b
Find the amount on Rs.5000 in 2 years, the rate of interest being 5% per first year and 6% for the second year?
There are two numbers. If 50% of the first number is added to the second number, then the second number increases to its five-fourth. Find the ratio of the first number to the second number?
A boat ma goes 2km against the current of the stream in 1 hr and goes 1 km along the current in 10 min. how long will it take to go 12 km in stationary water
A certain fraction is equivalent to 2/5. If the numerator of the fraction is increased by 4 and the denominator is doubled, the new fraction is equivalent to 1/4. What is the sum of the numerator and denominator of the original fraction?
A certain number when divided by 95 leaves a remainder 25, what is the remainder if the same no.be divided by 15?
There are 200 questions on a 3 hrexamination.Among these questions are 50 mathematics problems.It is suggestedthat twice as much time be spent on each maths problem as for each otherquestion.How many minutes should be spent on mathematics problems
The workforce of Company X is 50% female. The company hired 20 additional male workers, and as a result, the percent of female workers dropped to 50%.How many employees did the company have after hiring the additional male workers?
If $20,000 interest is invested in x percent simple annual interest for n years, which of the following represents the total amount of interest, in dollars, that will be earned by this investment in the n years?
The letters O,L and T are rearranged to form the word 'Lot'. Find its probability.
The first three terms of a proportion are 3, 9 and 12. The fourth term is?
Average of 6 numbers is zero. At most how many numbers may be greater than zero
20-3*4^2+53 = ?
I flew my tiny seaplane to visit my mother. On the flight up, I flew at 130 mph. On the way home, I flew 88 mph. What was my average speed for the trip?
In 10 years,A will be six times as old as B was 10 years ago.If A is now 9 years older than B,the present age of B is :
The number of sequences in which 7 players can throw a ball, so that the youngest player may not be the last is?
Insert the missing number 2, 4, ..., 16, 32, 64, 128, 256
Two numbers N and 16 have LCM = 48 and GCF = 18. Find N.
Solve the following quadratic equation by factoring. x^2+15x=-50
A car was driving at 72 Km/h for 20 minutes, and then at 81 Km/h for another 40 minutes. What was its average speed?
I am three times as old as my son. Five year later, I shall be two and half times as old as my son. How old am I and how old is my son ?
Marie has 248 $ in her account of the bank. She has to buy presents for her 7 children and wants to distribute the money fairly. How much he will once have the money shared fairly?
The winning relay team in a high school sports competition clocked 48 minutes for a distance of 13.2 km. Its runners A, B, C and D maintained speeds of 15 kmph, 16 kmph, 17 kmph, and 18 kmph respectively. What is the ratio of the time taken by B to than taken by D?
Three cubes of metal whose edges are 9, 12 and 15 cm respectively, are melted and one new cube is made. Find the edge of the new cube?
25% students of a class failed in Chemistry and 40% failed in Physics where 10% did not pass in any of the two subjects. If 30 students passed in only Physics, how many of them passed in both the subjects.
Which number can you put to fill in the sequence? 23 1 3 25 16 20 6 9 20 ?
Goldenrod and No Hope are in a horse race with 4 contestants. How many different arrangements of finishes are there if No Hope always finishes before Goldenrod and if all of the horses finish the race?
An oil cylinder was 3/4th full. When FIVE bottles of oil is poured into it, it is 4/5th full. How many bottles of oil can the full cylinder hold?
A class of 10 students is having an average age of 15, another group of 4 students whose average age is 12 has been added to them. What is the average of the new group formed?
There are 2 sections A and B in a class, consisting of 40 and 20 students respectively. If the average weight of section A is 50kg and that of section B is 40kg, Find the average of the whole class?
Count the numbers between 10 - 99 which yield a remainder of 5 when divided by 8 and also yield a remainder of 1 when divided by 6?
A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water ?
In a game of 100 points there are three participants A, B, and C. A gives to B 10 points and to C 19 points, then how many points can B give to C
How many seconds will a 400 metre long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?
Of three numbers, the third is twice the second and the second is 4 times the first. If their average is 78, the greatest of the three numbers is:
Three numbers are in the ratio 1:3:5 and their H.C.F is 5. The numbers are?
In a 300 m race A beats B by 22.5 m or 6 seconds. B's time over the course is:
When two dice are rolled, what is the probability that the sum of the two numbers is 6?
Peter read P books last year, and Nikki read N books last year. If Peter read 35 more books than Nikki last year, which of the following reflects this relationship?
Convert the 15/36 m/s into kilometers per hour?
When a number is divided by 6 &then multiply by 12 the answer is 11 what is the no.?
A train 240 m long passed a pole in 24 sec. How long will it take to pass a platform 650 m long? A. 65
Susan, John, Tim,and Kim need to be seated in 4 identical chairs in straight line so that Susan is seated always left to Tim. How many such arrangements are possible ?
If the sum of the 4th term and the 12th term of an arithmetic progression is 24, what is the sum of the first 15 terms of the progression?
Find the least number must be added to 228712 so that remaining no.is divisible by 9?
If n = 2.0563 and n* is the decimal obtained by rounding n to the nearest hundredth, what is the value of n* – n?
8^9 - 8^2 is approximation of which of the following?
A certain music store stocks 800 cellos and 600 violas. Of these instruments, there are 80 cello-viola pairs, such that a cello and a viola were both made with wood from the same tree (each tree can make at most one viola and one cello, so there are no pairs other than these 90). If one viola and one cello are chosen a...
Caitlin bought three puppies for Rs. 200, Rs. 350 and Rs.450 and she sold that to George for Rs. 250, Rs. 300 and Rs.600. What is the percentage of profit Caitlin got?
Ritesh and Co. generated revenue of Rs. 1,800 in 2006. This was 12.5% of its gross revenue. In 2007, the gross revenue grew by Rs. 2,500. What is the percentage increase in the revenue in 2007?
If 5a + 7b = g, where a and b are positive integers, what is the largest possible value of g for which exactly one pair of integers (a, b) makes the equation true?
Ram professes to sell his goods at the cost price but he made use of 900 grms instead of a kg, what is the gain percent?
There is a school were 60% are girls and 35% of the girls are poor. Students are selected at random, what is the probability of selecting a poor girl out of total strength?
A boy has six trousers and 8 shirts. In how many different ways can he select a trouser and a shirt?
We bought a total of 90 books at the store. Math books cost $4 and history books cost $5. The total price was $397. How many math books did we buy?
A train running at the speed of 90 km/hr crosses a pole in 9 seconds. Find the length of the train.
How many 5 digit even numbers with distinct digits can be formed using the digits 1, 2, 5, 5, 4 ?
Two pens and three pencils cost Rs 86. four Pens and a pencil cost Rs. 112. find the cost of a pen.
If in a box of dimensions 6 m * 5 m * 4 m smaller boxes of dimensions 60 cm * 50 cm * 40 cm are kept in it, then what will be the maximum number of the small boxes that can be kept in it?
If \|20x-10\| = 110, then find the product of the values of x?
At a local beach, the ratio of little dogs to average dogs to enormous dogs is 2:4:8. Late in the afternoon, the ratio of little dogs to average dogs doubles and the ratio of little dogs to enormous dogs increases. If the new percentage of little dogs and the new percentage of average dogs are both integers and there a...
A can finish a work in 18 days and B can do the same work in half the time taken by A. Then, working together, what part of the same work they can finish in a day?
What is the number of integers from 1 to 1000 (inclusive) that are divisible by neither 20 nor by 35?
5 kg of adulterated rice has 2% stones in it and the rest is rice. Half of the stone content was removed. Now the percentage of stone content in it is
In 2008, a certain factory produced 10% more widgets than it did in 2007, and its production in 2009 was 110% of its production in 2008. By approximately what percent would its production need to decrease the following year for the factory to produce the same number of widgets it did in 2007?
In how many different ways can 3 girls and 3 boys form a circle such that the boys and the girls alternate?
What is the median from the below series 90, 92, 94, 88, 95, 88, 97, 87, and 98
In what ratio must be a grocer mix two varities of tea worth Rs.60 a kg and Rs.65 a Kg so that by selling the mixture at Rs.68.20 a Kg he may gain 10%?
What is the value of 5x^2 − 1.9x − 3.7 for x = − 0.3?
A man gains 20% by selling an arƟcle for a certain price. If he sells it at double the price, the percentage of profit will be
the length of the bridge is 200m,which a 100 m long train cross in 60sec. then what is the speed of train?
If a certain number X is divided by 82, the reminder is 5. what is the reminder when X+3 is divided by 41?
In a hostel there were 100 students. To accommodate 40 more students the average is decreased by rupees 10. But total expenditure decreased by Rs.400. Find the total expenditure of the hostel now?
826924 × 9999 = ?
In N is a positive integer less than 200, and 24N/60 is an integer, then N has how many different positive prime factors?
Rosy also matched the London Eye which stands at 443ft and Las Vegas’ High Roller standing at 550ft. Being the tallest Ferris wheel in the world, how much taller is High Roller than the London Eye?
Express a speed of 36 kmph in meters per second?
If I walk at 3 km/h, I miss the bus by 12 minutes. If I walk at 6 km/h, I reach 10 minutes before the arrival of the bus. How far I walk to reach the bus stand ?
Eight persons in an organization including A and B were to be divided in two groups of 4 members each. The total number of groups which not containing both A and B is what fraction of the total number of groups which can be formed?
A is a working partner and B is a sleeping partner in the business. A puts in Rs.5000 and B Rs.1000, A receives 10% of the profit for managing the business the rest being divided in proportion of their capitals. Out of a total profit of Rs.9600, money received by A is?
A car moves at the speed of 80 km/hr. what is the speed of the car in metres per second?
If a(a - 7) = 8 and b(b -7) = 8, where a ≠ b, then a + b =
If the simple interest on a sum of a money for 1 years at 4% per annum is rs 70 what is the compound interest on the sum of the same rate and same time
A candidate got 35% of the votes polled and he lost to his rival by 2250 votes. How many votes were cast?
In how many ways the word "CALORIES" can be arranged?
(0.15)(power 3) - (0.1)(power 3)/ (0.15)(power 2) + 0.015 + (0.1)(power 2) is:
In a certain pond, 55 fish were caught, tagged, and returned to the pond. A few days later, 55 fish were caught again, of which 2 were found to have been tagged. If the percent of tagged fish in the second catch approximates the percent of tagged fish in the pond, what`s the approximate number of fish in the pond?
A businessman earns $27800 in December, thus decreasing his average annual (January to December) earnings by $1200. His average annual earnings would be
How many kg of pure salt must be added to 30kg of 2% solution of salt and water to increase it to 10% solution ?
A courtyard is 18 meter long and 12 meter board is to be paved with bricks of dimensions 15 cm by 13 cm. The total number of bricks required is :
Which one of the following numbers is exactly divisible by 11?

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