Question

If a : b = 3 : 4 and b: C = 5:9, then a : b:c is
(1) 15 : 20 : 36 (2) 20 : 36 : 15
(3) 3 : 20 : 9
(4) None f these

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Answer 1

Answer:

Pls check if it is correct or not