The number of positive integral solutions of abc = 42 is :

A number when divided by 627 leaves a remainder 43. By dividing the same number by 19, the remainder will be ………….

Two numbers are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is :

Of two numbers , 4 times the smaller one is less than 3 times the greater one by 6. Also, the sum of the numbers is larger than 6 times their difference by 5. Find the bigger number.

Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?

The LCM of two numbers is 495 and their HCF is 5. If the sum of the numbers is 10, then their difference is

On dividing a number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder?

Which one of the following numbers has rational square root?

If the numerator of a fraction is increased by 200% and the denominator is increased by 300%,the resultant fraction is 15/26 what was the original fraction?

How many of the following numbers are divisible by 132?

264, 396, 462, 792, 968, 2178, 5184, 6336

On dividing a number by 56, we get 29 as remainder. On dividing thesame number by 8, what will be the remainder?

How many prime numbers are less than 50?

Which of the following numbers is divisible by 24?

The smallest 3 digit prime number is :

How many 3 digit numbers are divisible by 6 in all?

If the number 91876 * 2 is completely divisible by 8, then the smallest whole number in place of * will be :

Which one of the following is not a prime number?

Which of the following is a pair of co-primes? 

A Students was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and x. He found the mean to be 12. What should be the number in place of x? 

If a number is multiplied by three-fourth of itself, the value thus obtained is10800. What is that number?

The number of common terms to the two sequences 17, 21, 25 …. 417 and 16, 21, 26 …. 466 is : 

Product of two co-prime numbers is 117. Their LCM should be 

A group of labourers promise to do a piece of work in 12 days, but 5 of them do not turn up. If rest of the group do the work in 18 days, Find the original number of men.

The product of two consecutive even numbers is 3248. Which is the larger number?

The sum of integers from 113 to 113113 which are divisible by 7 is :

252 can be expressed as a product of prime as

If 41² is added to the square of a number the answer, so obtained is 7457. What is the number?

The sum of n terms of the series, where n is an even number :

1²  2² + 3²   4² + 5²   6² + …. :

The LCM of two numbers is 45 times their HCF. If one of the numbers is 125 and the sum of HCF and LCM is 1150, the other number is

The smallest fraction, which each of 6/7,5/14/,10/21 will divide exactly is :

In a three digit number the digit in the unit’s place is twice the digit in the ten’s place and 1.5 times the digit in the hundred’s place. If the sum of all the three digits of the number is 13, what is the number?

In a two digit positive number, the digit at the units place is equal to the square of the digit in ten’s place and the difference between the number and the number obtained by interchanging the digits is 54. What is 40% of the original number?

If the positions of the digits of a two digit number are interchanged, the number obtained is smaller than the original number by 27. If the digits of the number are in the ratio of 1:2, what is the original number?

A certain number of two digits is three times the sum of its digits. If 45 is added to it, the digits are reversed. The number is _______

The number obtained by interchanging the two digits of a two digit number is less than the original number by 27. If the difference between the two digits of the number is 3, then what is the original number?

Two numbers such that the sum of twice the first number and thrice the second number is 100 and the sum of thrice the first number and twice the second number is 120. Which is larger number?

The sum of two even numbers is six more than twice of the smaller number. If the difference between these two numbers is 6, If the larger number lies between 15 to 25 Which is the smaller number?

A number is divided by 2, 3, 4, 5 or 6, reminder in each case is one. But the number is exactly divisible by 7. The number lies between 250 and 350, the sum of digits of the number will be

Sum of three consecutive odd numbers & three consecutive even numbers together is 231. Difference between the smallest odd number and the smallest even number is 11. What is the sum of the largest even number and largest odd number?

Sum of eight consecutive odd numbers is 656. Average of four consecutive even numbers is 87. What is the sum of the largest even number and largest odd number?

The sum of the digits of a two-digit number is 6. If the digits are reversed, the number is decreased by 36. Find the number?

If the places of last two-digits of a three digit number are interchanged, a new number greater than the original number by 36 is obtained. What is the difference between the last two digits of that number?

A number when divided by 837 leaves a remainder of 79. What will be the remainder when the same number is divided by 31?

The numerator of a rational number is 4 less than the denominator. If the numerator is increased by 15 and denominator is decreased by 4, we get 6. Find the rational number?

When a number is added to 20 percent of the second number, we get 150 percent of the second number. Find the ratio between the first and second number?

Two different numbers when divided by same divisor leaves remainder 7 and 9 respectively. When their sum is divided by the same divisor remainder was 4. Find the divisor?

A number gets reduced to its two-third when 24 is subtracted from it. Find one-eighth of the number?

Three numbers are in the ratio 4:3:5. If the difference between thrice the third number and the sum of first and second number is 64. Find the difference between the first and third number?

One-fifth of a number when subtracted from one – third of the number gives 24. Find the square of the number.

25% of a number is 2 times 65% of another number. Find the ratio of the second no to the first number?