Approximation

Quantitative Aptitude (RBI Grade B)

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Indian Economy - Understanding the basics of Indian economic system

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1.6²/0.8² = [2.4²/0.4²] – ?

28

32

36

24

Explanation:

1.6²/0.8² = [2.4²/0.4²] – x
(1.6*1.6)/(0.8*0.8) = (2.4*2.4)/(0.4*0.4)-x
4 = 36– x
x=32.

Hence, option 2 is the correct answer.

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