If the ratio of two numbers is 3:4 and their sum is 140... – Arithmetic

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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