The square root of (227)2 – (128)2 is:

A 144

B 200

C 240

D 256

Solution

Correct Answer: Option D

এখানে, (227)2 = 51529 ও ( 128 )2 = 16384 

∴ নির্ণেয় বর্গমূল = √(51529 - 16384)
                    = √35145
                    = 256

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