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Three numbers are in the ratio 3:5:7 and their sum is 975. Find the three numbers.

A195, 315, 465
B185, 885, 455
C175, 345, 455
D195, 325, 455 ✓ Correct
Correct answer: (D) 195, 325, 455
Explanation

The three numbers are 195, 325 and 455.

Ratio parts 3 + 5 + 7 = 15 total parts.

One part = 975 / 15 = 65.

3 x 65 = 195, 5 x 65 = 325.

7 x 65 = 455, and 195 + 325 + 455 = 975.

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