List of top Quantitative Aptitude Questions

The charge for sending a telegram is constant for the first 10 or less words and an amount proportional to the number of words exceeding 10. If the charge for sending a 15 word telegram is ` 3.00 and that for a 20 word is ` 4.25, how much would it cost to send a 35 word telegram?
What is the unit's digit of the expression 77920 + 64165 + 53246?
A fruit vendor brought a bag full of mangoes to the market. He kept some of the mangoes into the basket and put them for sale. He sold one-third of the mangoes in the basket to Mr. A and adds 18 more to it. He sold three-fourth of the remaining mangoes in the basket to Mr. B, and adds 12 more to it, after which he left with 25 mangoes in his basket. How many mangoes did the fruit vendor take in his basket in the beginning?
When a certain single digit number multiples with 1,234, the units digit and the thousand’s digit will be the same in the product. What is the number formed by the other two digits in the same order?
Anu collected certain number of coins of denominations ` 1, ` 2 and ` 5. She has certain number of ` 2 coins, 4 times as many ` 1 coins as ` 5 coins and 15 more ` 2 coins than ` 1 coins. If the total value is ` 490, how many ` 2 coins are there?
What is the simplified value of \(\frac{(1.08 \times 1.08 \times 1.08 \times 1.08 \times -0.92 \times 0.92 \times 0.92 \times 0.92)}{1.08^2 + 0.92^2 + 2 \times 1.08 \times 0.92}\) correct to two decimal places?
The difference between the largest and the smallest prime numbers below 100 is a multiple of two prime numbers. What is the sum of these prime numbers?
Mahesh’s age is a two-digit number. The peculiarity of the number is that when divided by the sum of its digits, the quotient is 2 and the remainder is 8. If the digits are interchanged and the resulting number is divided by the sum of its digits, the quotient is 8 and the remainder is 2. What is Mahesh’s age?
The sum of four consecutive two-digit odd numbers, when divided by 10, becomes a perfect square. Which of the following can possibly be one of these four numbers?
What is the sum of the factors of 27000?
A series is formed in such a manner that the first term is the first natural number, the second is the square of the first term, the third term is the third natural number and fourth is the square of the third term and so on. What is the sum of the first 50 terms of the series?
Anu collected certain number of coins of denominations `1,`2 and `5. She has certain number of `2 coins, 4 times as many `1 coins as `5 coins and 15 more `2 coins than `1 coins. If the total value is `490, how many `2 coins are there?
When the digits of the number 14 are reversed, the number increases by 27. How many other two-digit numbers increase by 27 when their digits are reversed?
N is a positive integer where 10 < N < 501. Let P and S denote the product of the digits of N and the sum of the digits of N respectively. The number of integers in the given range for which P + S = N is
A six-digit code is to be formed using 6 distinct numbers. Number in the first place is square of a prime number in third place. Numbers in 4th, 6th, 2nd and 1st place are consecutive numbers. If all odd digits except 1 are present in the code, what is the sum of all the digits?
What is the value of \(\sqrt{42+\sqrt{42+\sqrt{42+\sqrt{42+\sqrt{42+...\infin}}}}}\) ?
If x and y represent the least numbers to be added to 624672 and 135790 respectively to make then multiples of 11, then in how many ways can (X x Y)2 be expressed as a product of 2 different numbers?
Two numbers when divided by a certain divisor leave remainders of 11 and 17 respectively. If their product is divided by the same divisor, the remainder is 19. Which of the following could be the divisor?
When a two-digit number is divided by the sum of its digits, the quotient is 7 and the remainder is 6. If one of the digits of the number is three, then what is the difference of the digits?
A number when divided by 7 leaves a remainder x. When divided by 19 it leaves a remainder 2x. Also, when divided by 39 it leaves a remainder 3x. If x = 3, then what is the least possible value of such number?
If n is a natural number less than or equal to 5, for how many values of n is 3n- n a prime number?
In a shooting competition, all the shooters should hit the letter space in which letter 'A' is written as shown on the target board below. What is the probability that the shooter will hit that space?
In a shooting competition, all the shooters should hit the letter space in which letter 'A'
If $f(x,y) = 2x^2 + 3xy- 3y^2+3$ , then what is the value of f(f(3, 2), f(–2, –1))?
If x is a positive integer satisfying \(64 ≤ x ≤ 121\) and \(y = \frac{x^2 + 4\sqrt{x}(x + 16) + 256}{x + 8\sqrt{x} + 16}\) then which of the following is satisfied by y?
A rectangular floor is fully covered with square tiles of identical size. The tiles on the edges are white and the tiles in the interiors are black. The number of white tiles is same as the number of black tiles. Which of the following can be the possible number of tiles along one edge of the floor?