Question:If `a/3 = b/4 = c/7`, then `(a + B + c)/c` is equal to : 

A `7` 
B `2` 
C `1/2` 
D `1/7` 

+ Answer
B 

+ Explanation
`a/3 = b/4 = c/7 = k`.

Then, `a = 3k`,

`b = 4k` and `c = 7k`.

`:. (a + b + c)/c`

`= (3k + 4k + 7k)/7k`

`= (14k)/7k`

`= 2`.

+ Report

Md. Habib Ullah

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