Q4) Solve any 3 from 4 of the following.The ratio of two numbers is 5: – InterviewSolution

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Q4) Solve any 3 from 4 of the following.The ratio of two numbers is 5:7. If 40 is added in each number, then theratio becomes 25:31 ,find the numbers.Solution: Let first number -5x and second number =

Answer»

let the ratio factor be X.numbers are 5x and 7x.A/Q5X+40/7X+40 = 25/31

(5X + 40 ) 31 = 25(7X+40)

155X + 1240 = 175X + 1000

20X = 240X = 240/20X = 12

numbers are 5x = 5*12 = 607x = 7*12 = 84

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