Question

On a certain assembly line the rejection rate for hyundai i10's production was 4 percent for hyundai i20's production 8 percent and the two cars combined 7 percent .What was the ratio of hyundai i20's production to hyundai i10's production?

Answer 1

Answer:

let the no of i10 cars be x and i20 be y

now th rejcted i10 cars are 4x/100 and i20 cars are 8y/100

and it is given that 4x/100 +8y/100 = 7(x+y)/100

so we get y = 3x

so the ratio is 3:1

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