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 

If 42573* is exactly divisible by 72, then what will come in place of *?

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

2, 3, 8, 31, 154, 924, 6460

If 30% of a = b, then b% of 50 is the same as:

The total number of digits used in numbering the pages of a book of 366 pages is

Find the mode for the given distribution (rounded off to two decimal places)

Class                             5-10 10-15 15-20 20-25 25-30 30-35

Interval Frequency       8         7          6         9          11      10

A number when divided by 6 leaves remainder 3. When the square of the same number is divided by 6, the remainder is : 

Find the solution of 5x-7=12?