Question

If a: b=5:9 and b: c= 4:7 then a: b: c is equal to

Answer 1

Ans :

step by step. :

Given , a: b. = 5: 9. -------- x 4

b: c = 4: 7 ------------x 9

a: b. = 20:39

b:c = 39: 63

a:b:c = 20: 39: 63

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