Series Number Mock Tests

Find the missing number in the series: 1, 1, 2, 6, 24, ?, 720

Find the missing number: 3, 7, 15, 31, 63, ?

Find the missing number in the series: 2, 6, 12, 20, 30, ?

In a certain arrangement: 3, 15, 35, 63, 99, ?, what number should replace the question mark?

Find the missing number: 3, 12, 27, 48, ?

Find the missing number in the series: 2, 6, 12, 20, 30, ?

Find the missing number: 5, 10, 20, 40, ?

Find the missing number in the series: 2, 6, 12, 20, 30, ?