Two number 11284 and 7655, when divided by a certain number of three digits, leaves the same remainder. The sum of digits of such a three - digits number is: 

If * means adding 6 times the second number to the first number then ( 1 * 2 ) *   3 equals : 

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

9.5 % of 720 + 1.5 % of 320 = ? 

The ratio of two positive numbers is 3 : 4. The sum of their squares is 400. What is the sum of the numbers?

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

3.6 + 36.6 +3.66+0.36+3.0=?

The difference between the average of squares of the last four numbers and the product of the first two numbers of 6 consecutive odd numbers is 114. Find the first number.

The students of a class donated Rs. 3, 481 towards relief fund. Each student donated an amount qual to the number of students in the class. The number of students in the class is: 

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

12 × 3.5 – 8.5 × 3.2 =?