Question
Find the missing number (?) in the given number series. 105, 98, 84, 63, 35, ?
Solution
Differences: 105 – 98 = 7 98 – 84 = 14 84 – 63 = 21 63 – 35 = 28 These are 7, 14, 21, 28 (multiples of 7 increasing by 7) Next difference = 35 35 – 35 = 0
More Missing Series Questions
- What value should come in place of (?) question mark in the following number series. 96, 48, 24, 12, 6, ?
- Find the missing number in the given number series. 6, 15, 35, 66, 108, ?
- 18, 54, 162, ?, 1458, 4374
- In each of the following number series, one term is missing. Find the missing term. 10, 15, 13, 26, ?, 66, 60
- 96, 144, ?, 324, 486, 729, 1093.5
- What value should come in the place of (?) in the following number series? 15, 16, 24, 51, 115, ?
- What will come in place of the question mark (?) in the following series? 82, 97, 72, 107, ?, 117
- 32 33 29 38 ? 47 11
- What value should come in the place of (?) in the following number series? 100, 149, 68, 189, ?, 245
- 4, 7, 12, 21, 36, ?
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