Question
30Â Â Â Â 32Â Â Â Â 67Â Â Â Â 206Â Â Â
 ?     4166 What will come in place of the question mark (?) in the following series?Solution
30 x 1 + 2 = 32 32 x 2 + 3 = 67 67 x 3 + 5 = 206 206 x 4 + 7 =Â 831 831 x 5 + 11 = 4166
4, 6, 12, 30, ?, 315, 1260Â
Find the missing term in the series:
1, 4, 9, 16, 25, ?, 49
36, 48, 24, 60, ?, 72
?, 15, 45, 225, 1575, 14175
What should come in place of (?) question mark in the given number series.
2, 6, 15, 31, 56, ?
10,14,26,42,70,?
53 × 38 + 32 × âˆ›54872 = ?
168, 164, 155, 139, ?, 78
18, 30, 46, 66, 90, ?
152    142    122   ?     52    2