A man has eaten 100 grapes in 5 days. He eats 6 more grapes every day in comparison to the previous day. How many grapes did he eat on the first day?

1, 3, 5, 7, ………total average of 25^th number  is:

The greatest number that can be subtracted from 10000 so that the remainder may be divisible by 32, 36, 48 and 54 is:

The product of two consecutive odd numbers is 399. Find the lower of them.

The number which can be written in the form of n (n+1) (n+2), where n is a natural number, is: 

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

$${210\over14}×{17\over15}×?=4096  $$

When 3738, 5659 and 9501 are divided by the greatest possible number x, the remainder in each case is y. What is the sum of x and y?

The average of five consecutive number is 26, then the multiple of the first and the last number is