Question

7,15,32,65,132, ?,532

Answer 1

Answer:

7×2=14+1=15

15×2=30+2=32

32×2=64+1=65

65×2=130+2=132

132×2=264+1=265

265×2=530+2=532

Answer 2

The number that would come in the place of '?' is 265.

Series → 7,15,32,65,132, 265, 532

Given,

Series → 7,15,32,65,132, ?, 532

To Find,

The number that would come in the place of '?'

Solution,

On looking at the given series carefully, it can be noticed that -

Relation between 7 & 15 → 7 x 2 + 1 = 15

Relation between 15 & 32 → 15 x 2 + 2 = 32

Relation between 32 & 65 → 32 x 2 + 1 = 65

Relation between 65 & 132 → 65 x 2 + 2 = 132

Thus, alternatively, 1 and 2 are added after multiplying the number by 2.

The next term after 132 will be -

132 x 2 + 1 = 264 + 1 = 265

Thus, the required term is 265.

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