Find the missing number in the following – 2, 3, 4, 6, 6, 9, 8, 12, 10, ............, 12, 18, 14, 21, 16, 24

Find the missing number in the following series. 2/3, 4/7, ?, 11/21, 16/31

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

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 from the following alternatives. 21 | 24 | 36 11 | 14 | 12 3 | ? | 4 77 | 112 | 108

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