The one third of the one third of a number is 10. Then the number is :

A person is standing in a queue. His position is 13th from the beginning and 12th from the end. Then the total number of people in the queue is :

If two numbers are in the ratio 3:5 and their least common multiple is 75, then oneof the number is :

Value of 7.4 x 6.6 is :

If 3/4 of a number is 45, then the number is :