If A : B = 3 : 4, B : C = 5 : 7 and C : D = 8 : 9 then A : D is equal to
[A] 10 : 21
[B] 21 : 10
[C] 3 : 7
[D] 7 : 3

Advertisement

Kindly help us to keep GKToday updated and error free. Use this form to report error or outdated information in questions. We shall rectify asap...