Find missing number (?) in the following figures. (Figure: three plus-shaped figures. Fig 1: top 6, left 9, centre 117, right 15, bottom 3. Fig 2: top 9, left 8, centre ?, right 9, bottom 6. Fig 3: top 9, left 5, centre 112, right 8, bottom 8)

Find the missing number x in the third triangle. (Triangle 1: top 3, bottom-left 7, bottom-right 5, centre 35. Triangle 2: top 4, bottom-left 6, bottom-right 5, centre 20. Triangle 3: top 3, bottom-l…

Find the missing number. (Three Y-shaped figures. Figure 1: top numbers 17 and 18, bottom 1225. Figure 2: top numbers 13 and 14, bottom 729. Figure 3: top numbers 19 and 4, bottom ?)

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