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What will come in place of question mark (?) in the following number series?

4, 2, 2, 4, 16, ?


1. 32
2. 56
3. 128
4. 256
5. None of these

1 Answer

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Best answer
Correct Answer - Option 3 : 128

Considering the above series,

4, 2, 2, 4, 16, ?

The logic of the series can be explained as,

4 × 0.5 = 2

2 × 1 = 2

2 × 2 = 4

4 × 4 = 16

By observing the pattern,

16 × 8 = 128

The value of ? is 128.

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