Direction : What should come in place of the question (?) in the following question.

8424÷ 135 ×6=?

Direction : What should come in place of the question (?) in the following question.

35% of 430 + ? % of 360 = 276.5

Direction : What should come in place of the question (?) in the following question.

√(?) + 15² = 235

The difference between the average of three consecutive even numbers and the average of the next two consecutive even number is 5. What is first even number?

A number consists of two digits and the digit in the ten's place exceeds that in the unit's place by 5. If 5 times the sum of the digits be subtracted from the number, the digits of the number are reversed. Then the sum of the digits of the number is:

The greatest number less than 1500, which is divisible by both 16 and 18, is:

If ' n ' be any natural number , then by which number ( n⁴-n ) is always divisible ? 

if 3 times a number exceeds its 3/5 by 60, then the number is.