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Question

300 gm of sugar solution has 40% sugar in it. How much sugar should be added to make it 50% in the solution?

A

20 gm

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B

30 gm

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C

40 gm

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D

50 gm

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E

60 gm

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Solution

The correct option is E 60 gm The existing solution has 40% sugar. Sugar is to be mixed so the other solution has 100% sugar, so by alligation method: ∴The two mixtures should be added in the ratio 5:1.Therefore, required sugar=3005×1=60gm

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