Question

9. (A) If A : B = 5:6 and B : C = 7: 8 and C: D = 9: 10, find the ratio
of A:B:C:D
[Ans. A:B:C: D = 105 : 126 : 144 : 160]
(B) If A:B = 3 : 4, B: C = 6 : 9 and C: D = 12 : 19, then find A: B:
C: D.
(Ans. 6: 8:12:19)​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

A:B=3:4

B:C=6:9

5 : 6

7 : 8

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35 : 42 : 48

9 : 10

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35× 2 : 45 ×2 ×46 ×9 : × 48 ×10

2) A : B = 3 : 4

B: C = 6 : 9

3 : 4

6 : 9

-----------------------

18 : 24 : 36

6 : 8 : 12

12 : 19

-----------------------------

6 × 12 : 8 × 12 × 12 : 12

6 : 6 : 12 : 19

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