Question

2. If A:B = 2:3 and B: C = 4:5, then C: A = ? (a) 15:8 (b) 6:5 (c) 8:5 ​

Answer 1

Answer:

(a) 15:8

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Answer 2

Answer:

15: 8 Because, A: B = 2: 3 AND B: C = 4: 5

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

= (A/B) × (B/C) = (2/3) × (4/5)

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

Hence, c: a = 15:8