Adding 335 to 5A7 results in 8B2. The number 8B2 is divisible by 3. Accordingly, what will be the maximum possible value of A?

Find the greatest number 23a68b, which is divisible by 3 but NOT divisible by 9.

Directions: Find the wrong number in the following number series:

0.5, 2, 1, 4, 32, 512, 16384

If a 7-digit number 54p3987 is divisible by 11 , then p is equal to:

Find the greatest number which divides 108, 124 and 156, leaving the same remainder. 

The value of (81)3.6 * (9)2.7/ (81)4.2 * (3) is __

Three different containers contain 130 liter, 442 liter and 234 liter of milk, respectively. What biggest measure can be used to measure all the containers exactly?

If a certain number of two digits is divided by the sum of its digits, the quotient is 6 and the remainder is 3. If the digits are reversed and the resulting number is divided by the sum of the digits, the quotient is 4 and the remainder is 9. The sum of the digits of the number is