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A. 24
B. 36
C. 48
D. None of these

Explanation:

(830 + ? * 3 * 14 / 100) – (830 * 14 * 3 / 100) = 20.16

=> 830 + ? * 42 – 830 * 42 = 2016
=> ? * 42 = 2016 + 830 * 42 – 830
=> ? * 42 = 42 * 48 + 830 * 42 – 830
=> ? = 48 + 830 – (830 / 42)
=> ? = 48 + 830 – 19.76
=> ? = 858.24

Correct Answer: None of these

Last Updated: February 07, 2020