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-left 6, bottom-right 15, centre x.)

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: t…

Find the missing number (?) in the given figure. (Figure: a rectangle divided by both diagonals and a vertical centre line into six parts — top-left 8192, top-right ?, left 256, right 4, bottom-left…

Find out missing number (?) in the given table. 1 | 2 | 3 4 | 5 | 6 7 | 8 | 9 30 | ? | 54

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

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