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In the following number series, a wrong number is given. Find out the wrong number.

18, 19, 23, 31, 48, 73


1. 18
2. 31
3. 73
4. 48
5. 19

1 Answer

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Best answer
Correct Answer - Option 2 : 31

Given:

18, 19, 23, 31, 48, 73

Calculation:

The series follows the following pattern,

18 + 12 = 19

19 + 22 = 23

23 + 32 = 32 ≠ 31

32 + 42 = 48

48 + 52 = 73

Since 32 will come in place of 31.

∴ The required wrong number will be 31.

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