Let x be the least number of 4 digit that when divided by 2, 3, 4, 5, 6 and 7 leaves a remainder of 1 in each case. If x lies between 2000 and 2500, then what is the sum of the digits of x?

The least number, which must be added to 6709 to make it exactly divisible by 9, is 

Direction : What value should come in the place of question mark (?) in the following questions?

The value of is:

The number will be, whose square is equal to the difference between the squares of 975 and 585, is:

In an examination, a student was asked to find 3/11 of a certain number, by mistake, he found 3/4 of it. His answer was 315 more than the correct answer. The given number is –

The average of five natural numbers is p. If the next three numbers are included then how much the average of these 8 numbers exceeds than the average p?

The average of some natural numbers is 15. If 30 is added to first number and 5 is subtracted from the last number, the average become 17.5. then the numbers of natural numbers is :