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کون سا نمبر غیر معقول ہے؟

A√18

B√64

C√49

D√81

Answer & Solution

Correct answer: A. √18

49، 64 اور 81 کی مربع جڑیں عددی ہیں؛ √18 = 3√2 غیر معقول ہے۔

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