Question

Given a : b = 3 : 5 and b : c = 2 : 1, Find the ratio a : b : c.

Answer 1

Answer: a:b is 3:5 and b:c is 2:1 then a:b:c is ?

a:b:c is 6:10:5. (first we have to multiply 5 and 2, then multiply 3 and 2,then multiply 5 and 1)

Therefore a:b:c is 6:10:5