Question
In each of the following number series, one term is missing. Find the missing term. 2, 6, 12, 20, ?, 42
Solution
Pattern is multiplication of consecutive numbers: 1 x 2 = 2 2 x 3 = 6 3 x 4 = 12 4 x 5 = 20 5 x 6 = 30 6 x 7 = 42 Hence, the missing term is 30.
More Missing Series Questions
- What will come in place of the question mark (?) in the following series? 555, 430, ?, -320, -1320, -3320Â
- In each of the following series, one term is missing. Find the missing term. 5, 13, 29, 61, 125, ?
- What should come in place of (?) question mark in the given number series. 2, 6, 12, 20, ?, 42
- What will come in place of (?), in the given number series.100, 95, 85, 70, ?, 25
- What value should come in the place of (?) in the following number series? 15, 16, 24, 51, 115, ?
- 900 Â Â Â 90Â Â Â 18Â Â Â ? Â Â Â Â 2.16Â Â Â Â 1.08
- Which of the following numbers will replace the question mark (?) in the given series? 17, 30, 44, 59, 75, ?
- What will come in place of (?) in the given number series. 2, 6, 15, 31, 56, ?
- 8    12    39      ?       180    216
- 52, 77, 127, ?, 302, 427
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