Question : If 20% of (A + B) = 30% of (A − B), then what percentage of B is equal to A?
Option 1: 400%
Option 2: 300%
Option 3: 500%
Option 4: 100%
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Answer (1)
25th Jan, 2024
Correct Answer: 500%
Solution :
20% of (A + B) = 30% of (A − B)
⇒ 20% of A + 20% of B = 30% of A – 30% of B
⇒ 10% of A = 50% of B
$\therefore$ A = 500% of B
Hence, the correct answer is 500%.
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