Question
245 ml of mixture contains milk and water in the ratio
of 10:x respectively. If 45 ml of water and 55 ml of milk is added into it then ratio of milk to water in the resulting mixture will be 2:1. Find the value of lsquo;xrsquo;. STSolution
Quantity of milk in 245 ml of mixture = 245 times; 10/(10 + x) Quantity of water in 245 ml of mixture = 245 times; x/(x + 10) According to question; {2450/(10 + x) + 55}/{245x/(x + 10) + 45} = 2/1 Or, 2450/(10 + x) + 55 = 490x/(x + 10) + 90 Or, (2450 ndash; 490x)/(x + 10) = 35 Or, 2450 ndash; 490x = 35x + 350 Or, 525x = 2100 Or, x = 4
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