Arithmeticmedium · Past Paper
Two numbers are in the ratio 1:2. If 7 is added to both, their ratio changes to 3:5. The greatest number is:
A24
B26
C28
D32
✓ Correct Answer: C — 28
(x+7)/(2x+7) = 3/5 => 5x+35 = 6x+21 => x=14. Numbers are 14 and 28. Greatest is 28.
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