Question

यदि .A:B=7:9 व B:C=15:7 हो तो A:C क्या होगा

Answer 1

If A : B = 7 : 9 and B : C = 15 : 7, then A : C = 5 : 3

Step-by-step explanation:

Given that,

A : B = 7 : 9 ..... (1)

B : C = 15 : 7 ..... (2)

From (1), we get

A/B = 7/9

or, B/A = 9/7

or, B = 9A/7

From (2), we get

B/C = 15/7

or, B = 15C/7

Equating the values of B, we get

9A/7 = 15C/7

or, 9A = 15C

or, 3A = 5C

or, A/C = 5/3

or, A : C = 5 : 3

Therefore if A : B = 7 : 9 and B : C = 15 : 7, then A : C = 5 : 3

Answer 2

Explanation:

see the attached image above....

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