Find out the missing number in the following figure (columns): Column 1: 5, 4, 2, 18 Column 2: 6, 3, 3, 27 Column 3: 12, 4, ?, 96

Find the missing number in the following number series. 3, 5, 8, 10, ?, 15, 18, 20

Find the missing number: rows 7,3,9 / 24,5,? / 5,2,4

Find the missing number in the given series 2, 6, 12, 20, 30, 42, 56, ?

Find the missing number in the given series 3, 4, 7, 11, 18, 29, ?

The missing number (?) in the following series is : 3, 7, 15, 31, 63, ?