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Ramu marked a dot in first square, 2 dot...

Ramu marked a dot in first square, 2 dots in second square, 3 dots in the third square and so on. Then the total number of squares required to mark a total of 55 dots is equal to:

A

55

B

11

C

9

D

10

Text Solution

Verified by Experts

The correct Answer is:
B
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