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If 15% of (A + B) = 25% of (A – B), then what percent of B is equal to A?
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- 10%
- 60%
- 200%
- 400%
Correct Option: D
According to question ,
15% of (A + B) = 25% of (A – B)
⇒ | (A + B) = | (A - B) | ||
100 | 100 |
⇒ 15 (A + B) = 25 (A – B)
⇒ 15 A + 15 B = 25A – 25 B
⇒ 10 A = 40 B
⇒ A = 4B
Now, let p% of B is equal to A
∴ | × B = A | 100 |
⇒ | × B = 4B | 100 |
∴ p = 400%