A solution contains 25% sugar by weight is made sweeter by doubling the amount of sugar. The percent of sugar, by weight, in the new solution is-

A

33.33%

B

32%

C

40%

D

23.27%

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Question: A solution contains 25% sugar by weight is made sweeter by doubling the amount of sugar. The percent of sugar, by weight, in the new solution is-

Solution: 
let, solution is 100 unit
amount of sugar = 100 × 25%
= 100 × (25/100)
= 25 unit 

by doubling, amount of sweet = 50 unit

∴ solution now = 100 + 25 = 125 unit 

∴ percent of sugar = {(50 × 100)/125}% = 40%

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Updated: 13 hours ago

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