Replace the question mark with the correct number below.

You are given a set of weighing scales and 12 marbles. The scales are of the old balance variety. That is, a small dish hangs from each end of a rod that is balanced in the middle. The device enables you to conclude either that the contents of the dishes weigh the same or that the dish that falls lower has heavier contents than the other. The 12 marbles appear to be identical. 11 of them are identical, and one is of a different weight. Your task is to identify the unusual marble and discard it. You are allowed to use the scales three times if you wish, but no more. Note that the unusual marble may be heavier or lighter than the others. You are asked to both identify it and determine whether it is heavy or light

By moving just one matchstick, you need to make the below statement true. Can you do it?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

What you cannot hold but it is yours?

A quarter is one-fourth of a dollar but Mr. John has changed the equation as below :

DOLLAR * 4 = QUARTER

Can you replace each letter with a digit to make the above solution correct?

what does the below rebus mean?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?