NCHMCT JEE 2019 Question Paper with solutions for online practice

Question : 10 of 200

Marks: +1, -0

If a : b = 3 : 4, b : c = 4 : 7, then

{a+b+c}/c

is equal to:

Solution:

We have, a : b = 3 : 4
b : c = 4 : 7
a : b : c = 3 : 4 : 7
Then,

{a+b+c}/c={3x+4x+7x}/{7x}={14x}/{7x}=2

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