The second number in the given number-pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number-pairs EXCEPT one. Find that odd number-pair.

In a division sum, the divisor is ten times the quotient and five times the remainder. If the remainder is 46, find the dividend.

On dividing a certain number by 342 we get 47 as remainder. If the same number is divided by 18, what will be the remainder?

Two numbers, of which the first number is 200% of the second number. If the sum of the squares of the first number and the cube of the second number is 5 times the product of both numbers, find the difference between the two numbers?

64329 is divided by a certain number. While dividing, the numbers, 175, 114 and 213 appear as three successive remainders. The divisor is?

In a class, there are ' z ' students. Out of them ‘x’ are boys. What part of the class is composed of girls? 

Find the maximum number of students among them 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils.

For what value of ‘y’, is perfect square?