The difference between the greatest and least five-digit numbers formed by the digits 2,5,0,6,8 is (repetition of digits are not allowed) 

How many number are there from 700 to 950 (Including both) which are neither divisible by 3 nor by 7?

The sum 9 + 16 + 25 + 36 +_______+ 100 is equal to?

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

$$ \sqrt{1089} + 3=(?)^2 $$

The difference between the greatest and the least four-digit numbers that begins with 3 and ends with 5 is: 

When a number is increased by 28, it becomes 107% of itself. What is the number?

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

0.75 % of 90 + 0.55 % of 80=?

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?