If 20% of (x + y) = 25% of (x - y), then what percentage of y is equal to x?

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(x + y) യുടെ 20% = (x - y) യുടെ 25% ആണെങ്കിൽ, y യുടെ എത്ര ശതമാനം x ന് തുല്യമാണ്?

A800%

B900%

C200%

D500%

Answer:

B. 900%

Read Explanation:

(x + y) യുടെ 20% = (x - y) യുടെ 25% 20(x + y) = 25(x - y) 20x + 20y = 25x - 25y 20y + 25y = 25x - 20x 45y = 5x x = 9y ശതമാനം = (x/y) × 100 = (9y/y) × 100 ⇒ 900%

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