A car is filed with 4 \frac{1}{2} {L} of fuel for a round trip. If amount of fuel taken while goings is \frac{1}{4} th more than the amount taken for coming, what is the amount of fuel consumed when coming back?

NIMCET 2008 Question Paper with solutions

Question : 44 of 120

Marks: +1, -0

A car is filed with

4 \;{1}/{2} {L}

of fuel for a round trip. If amount of fuel taken while goings is

\;{1}/{4}

th more than the amount taken for coming, what is the amount of fuel consumed when coming back?

Solution:

x

is the amount of fuel consumed while coming back,
then

\;\; x+x+\;{x}\/{4}=4 \;{1}\/{2}

⇒ \;\; \;{9 x}/{4}=\;{9}/{2}

\Rightarrow

x=2

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