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Question

What will be the number in the 3rd position if the number and its position follow the following pattern?

Number at nth position=2n+1

A
3
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B
7
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C
9
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D
1
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Solution

The correct option is B 7
Given,
Number at nth position=2n+1

For number at 3rd position, putting n = 3, we get

2×3+1
=6+1
=7

Number at 3rd position is 7.

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