How many perfect squares lie between 1 and 50?

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answer is B.

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Detailed Solution

It is required to find the number of perfect squares that lie between 1 and 50.
For a natural number n,

n 2 = n × n

.
Between 1 and 50, the ideal squares are 4, 9, 16, 25, 36, and 49.
Hence, there are 6 perfect squares that lie between 1 and 50.
Therefore, option 2 is correct.

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Best Online Course for CBSE