What should come in place of the question mark (?) in the given series? 12 13 15 19 27 ?
43
Look at the successive differences between the terms of the series 12, 13, 15, 19, 27, ?.
13 − 12 = 1; 15 − 13 = 2; 19 − 15 = 4; 27 − 19 = 8.
The differences form a doubling pattern: 1, 2, 4, 8, so the next difference is 16.
Therefore, the next term = 27 + 16 = 43.
Hence, the missing number is 43.
Similar Questions
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Important Questions from Number Series
What will come in place of question mark (?) in the following number series?
2, 5, 11, 23, 44, 77, ?
What will come in place of question mark (?) in the following number series?
31, 32, 36, ?, 61, 86
What will come in the place of question mark (?) in the following number series?
3, 6, 18, ?, 630, 6930
What should come in place of the question mark ‘?’ in the following number series?
60, 40, 50, ?, 180, 460
A series is given with one term wrong. Select that wrong term from the given alternatives.
J12, M24, P48, S96, U192
