1.

The ratio between three numbers A, B and C is 10 : 7 : 4.The difference between the B and C is 12. Find the ratio between the (A + B) : (B + C).1. 11 : 242. 22 : 173. 17 : 114. 14 : 115. 17 : 22

Answer» Correct Answer - Option 3 : 17 : 11

Given:

Let three numbers A, B and C be 10a, 7a and 4a respectively.

Calculation:

⇒ 7a - 4a = 12

⇒ a = 4

Three numbers A, B and C is 40, 28 and 16 respectively.

Then,

⇒ (A + B) : (B + C) = (40 + 28) : (28 + 16) = 68 : 44 = 17 : 11

∴ Required ratio = 17 : 11



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