IfA: B = 1:3, B: C = 5:7, C:D = 9:7, then A:B:C:D is
(A) 14:45:63:49
(B) 15:49:45 : 63
(C) 45:15: 63: 49
(D) 49: 15:45: 63
Answers
Answered by
2
Answer:
15:45:63:49
A : B : C : D
1×15 : 3×15
5 ×9 : 7×9
9×7 : 7×7
15 : 45 : 63 : 49
Similar questions