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What will come in place of question mark (?) in the following number series? 320, 162, 84, 46, 28, ?

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

320, 162, 84, 46, 28, ?


1. 16
2. 22
3. 14
4. 18
5. 20
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Correct Answer - Option 5 : 20

Calculation:

The pattern of the number series is-

⇒ 320 ÷ 2 + 2 =162

⇒ 162 ÷ 2 + 3 = 84

⇒ 84 ÷ 2 + 4 = 46

⇒ 46 ÷ 2 + 5 = 28 

⇒ 28 ÷ 2 + 6 = 20

∴ The value of ? is 20

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