If A's income is 40% less than B's income, then how much percent is B's income more than A's income?यदि A की आय B की आय से 40% कम है, तो B की आय A की आय से कितने प्रतिशत अधिक होगी?

1. A65.66
2. B64.66
3. C66.66
4. D55.66

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Correct answer: C. 66.66

Explanation

Let B's income = 100. Then A's income = 100 − 40 = 60. B is more than A by 100 − 60 = 40, and as a percentage of A it is (40 ÷ 60) × 100 = 66.66%. (Shortcut: if A is x% less than B, B is 100x/(100 − x) % more than A = 4000/60 = 66.66%.)मान लीजिए B की आय = 100। तब A की आय = 100 − 40 = 60। B, A से 100 − 60 = 40 अधिक है, और A के प्रतिशत के रूप में = (40 ÷ 60) × 100 = 66.66%। (सूत्र: यदि A, B से x% कम है, तो B, A से 100x/(100 − x) % अधिक है = 4000/60 = 66.66%।)