Arithmeticeasy · Past Paper
If the ratio of two numbers is 3:4 and their sum is 140, find the smaller number.
A40
B60
C80
D100
✓ Correct Answer: B — 60
Let the numbers be 3x and 4x. 3x + 4x = 140 implies 7x = 140, so x = 20. The smaller number is 3 * 20 = 60.
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