Question

18. Two numbers are in the ratio of 5:8. If 12 be
added to each, they becomes in the ratio of
3:4. The product of two numbers is
(a) 135
(b) 278
(c) 450
(d) 360
If A:B = 5:7 and B:C = 6:11, then A:B:C is
(a) 55:77:66 (b) 30:42:77
(c) 35:39:42 (d) None
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Answer 1

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