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In the following series of numbers, find...

In the following series of numbers, find out how many times 1, 3 and 7 have appeared together, 7 being in the middle and 1 and 3 on either side of 7?
2 9 3 1 7 3 7 7 7 1 3 3 1 7 3 8
5 7 1 3 7 7 1 7 3 9 0 6

A

3

B

4

C

5

D

more than 5

Text Solution

Verified by Experts

The correct Answer is:
A

The given number series is as follows:

`:.` Required pattern = `(1)/("Preceding")(7)/("Middle")3/("Following")`
Therefore, total number of such pattern = 3
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Knowledge Check

  • In the following series of numbers, find out how many times 1, 3 and 7 have appeared together, 7 being in the middle and 1 and 3 on either side of 7 . 2 9 7 3 1 7 3 7 7 1 3 3 1 7 3 8 5 7 1 3 7 7 1 7 3 9 0 6

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