Question

find the missing term 9, 19, 37, 75, 149, 299 ?

Answer 1

9×2+1=19
19×2-1=37
37×2+1=75
75×2-1=149
149×2+1=299
299×2-1=597
the answer is 597

Answer 2

The missing term in the given series is 597.

Given:

A series 9, 19, 37, 75, 149, 299,?

To Find:

The missing term in the given series.

Solution:

We are required to find the missing term in the given series.

The given series follows the pattern as

• The first number is multiplied by 2 and added by 1 and the following answer is also multiplied by 2 but subtracted by 1

• These two calculations were repeated for the following answer in a cycle.

⇒ 9×2+1 = 19

⇒ 19×2-1 = 37

⇒ 37×2+1 = 75

⇒ 75×2-1 = 149

⇒ 149×2+1 = 299

For the next term, the number 299 is multiplied by 2 and subtracted by 1.

⇒ 299×2-1 = 597

Therefore, The missing term in the given series is 597.

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