Replace the question mark with the correct number in the below-given picture?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Solve the mathematical equation in the picture below.

Why is 6 afraid of 7?

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

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

What can you hold in your right hand, but never in your left hand?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?