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in Mathematics by (239k points)
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What should come in place of the question mark '?' in the following number series?

3, -11, 17, -39, 73, ?
1. -157
2. -162
3. -159
4. -151
5. -158

1 Answer

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Best answer
Correct Answer - Option 4 : -151

Calculation

The series follows following pattern

3 - 14 = -11

-11 + 28 = 17

17 - 56 = -39

-39 + 112 = 73

73 - 224 = -151

∴ The value of ? is -151

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