Arithmeticmedium · Past Paper
The ratio of two numbers is 5:9. If 10 is subtracted from each, the ratio becomes 5:11. The numbers are:
A30, 54
B15, 27
C20, 36
D25, 45
✓ Correct Answer: A — 30, 54
(5x-10)/(9x-10) = 5/11 => 55x-110 = 45x-50 => 10x = 60 => x = 6. Numbers are 30 and 54.
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