Question
In each of the following number series, one term is missing. Find the missing term. 10, 15, 13, 26, ?, 66, 60
Solution
Pattern is alternate operations: 10 + 5 = 15 15 - 2 = 13 13 x 2 = 26 26 - 4 = 22 22 x 3 = 66 66 - 6 = 60 Hence, the missing term is 22.
More Missing Series Questions
- 2, 6, ?, 20, 30, 42
- 12 ? 545 2729 10919
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- In a 7-term number series, all the terms are in arithmetic progression. The 3rd term of the series is 17 and the 6th term is 32. What is the 7th term of ...
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