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\( \Large 39.8\% \ of \ 400 + ?\% \ of \ 350 = 230 \)

A) 15
B) 25
C) 18
D) 20

Correct Answer:




D) 20

Description for Correct answer:

\( \Large 39.8\% \ of \ 400 + ?\% \ of \ 350 = 230 \)

\( \Large 159.2 + \frac{350 \times ?}{100} = 230 \)

\( \Large = ? = \left(230 - 159.2\right) \times \frac{100}{350} = 20.23 = 20 \)

Part of solved Approximation questions and answers : >> Aptitude >> Approximation

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