Question

Divide rupees 90 into two parts, so that the ratio between their difference and sum is 1:9​

Answer 1

Answer:

40 AND 50

Step-by-step explanation:

Let x be the smaller of the two parts.

Then the other part is 90-x.

Notice that the sum of these parts is precisely 90, while the difference is (90-x) - x = 90-2x.

Then, according to the condition,

90-2x/90=1/9 ----->

90-2x=90/9

90 - 2x = 10,

2x = 90 - 10 = 80,

x = 80/2=40

Thus the smallest part is 40, and the other part is 90-40 = 50.

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