If 2A = 3B and 4B = 5C, then A: C =?(a)4: 3 (b)8: 15 (c)3: 4 (d)15: 8 – InterviewSolution

1.

If 2A = 3B and 4B = 5C, then A: C =?(a)4: 3 (b)8: 15 (c)3: 4 (d)15: 8

Answer»

(d) 15: 8

Because,

= A = 3B/2

= C = 4B/5

Then,

= A: C = (3B/2): (4B/5)

= (A/C) = (3B/2)/ (4B/5)

= (A/C) = (3B/2) × (5/4B)

= (A/C) = (15/8)

= A: C = 15: 8

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