alleryThe difference between two positive integers is 63, and they are in the ratio 2:5. The smaller integer is:
A21
B42
C105
D126
Answer & Solution
Correct answer: B. 42
Let the two integers be 2k and 5k (some positive k).
Their difference is 5k − 2k = 3k = 63, so k = 21. The smaller is 2k = 42 and the larger is 5k = 105 (check: 105 − 42 = 63 ✓, ratio 42:105 = 2:5 ✓).
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