Question

Ratio and Proportion
6. If A : B=5: 7 and B:C=6.11, then A:B:C = ?
​

Answer 1

Answer:

A:B=5:7,B:C=6:11,

⇒

b

a

=

7

5

and

c

b

=

11

6

⇒a=

7

5

b and c=

6

11

b,

Taking b=6×7=42, we get

a=5×6=30,c=11×7=77

Hence, A:B:C=30:42:77