Question

A : B = 6 : 7 and B : C = 8 : 9, then A:B:C =?​

Answer 1

A : B = 6 : 7 and B : C = 8 : 9, then A:B:C =?

answer.

A:B=6:7,B:c=8:9

then A/B x B/C = A/C

=6/7 X 8/9=16/21

therefore A/C=16/21

C/A=21/6

the answer is (C) 21:16.

hope this will help you.

thank you

Answer 2

Answer:

A:B=6:7

B:C=8:9

In two ratios B is common so,

6×8/7×8=48/56

8×7/9×7=56/63

then A:B:C=48:56:63

hope this may help u✌✌