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Q.

Find the value of $\sqrt{66049}$ .

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a

253

b

257

c

347

d

343

answer is B.

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Detailed Solution

Given

\sqrt{66049}

.
The number

66049

can only be divided by

257

.

66049 = 257 \times 257

66049 = (257)^{2}

Taking square root on both the sides.

\sqrt{66049} = \sqrt{257^{2}}

∴ \sqrt{66049} = 257

Therefore, option (2) is correct.

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Find the value of 66049.