Two numbers are in the ratio 5:7, and their total is 960. what is their lcm?

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Correct Answer:

Description for Correct answer:

A : B 3 : 5Let 3x : 5xLCM of A and B is = \( \Large 3 \times 5 \times x = 15x \)15x = 225Givenx = 15\( \Large \therefore A = 15 \times 3 = 45 \)\( \Large B = 15 \times 5 = 75 \)

Smaller number is = 45

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