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Question

If 3 ∠A = 4 ∠B = 6 ∠C, then A : B : C = ?
(a) 3 : 4 : 6
(b) 4 : 3 : 2

(c) 2 : 3 : 4
(d) 6 : 4 : 3

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Solution

(b) 4 : 3 : 2

Let 3A=4B= 6C=k°
Then,
A=k3, B=k4 and C=k6A : B : C=k3 : k4 : k6A : B : C=4 : 3 : 2

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