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A jar contains white, red and green marbles in the ratios 2 : 3 : 5 six more green marbles are added to the jars and then the ratio becomes 2 : 3: 7 Hoe may white marbles are there in the jar?

Correct Answer: 6
Ratio of W : R : G = 2: 3:5। If 6 Green is added, Ratio becomes W: R:G = 2: 3:7 Difference of ratio for 6 marbles = 7 – 5 = 2 For 1 ratio = 3 marbles   ∴ White marbles = 2×3 = 6 (ans)

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