Ratio and Proportion Practice Test 2

Question : 8 of 40

Marks: +1, -0

The sum of two numbers is 20 and their difference is

2 1 / 2

. What is the ratio of the numbers?

Solution:

Ratio

={20+5/2}/{20-5/2}

=22.5/17.5=225/175

=9/7=9:7

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