Management Aptitude Test Sep 2020 Paper

Question : 87 of 200

Marks: +1, -0

A reduction in the price of petrol by

10 \%

enables a motorist to buy 5 gallons more for gallon).

Solution:

Let original price of petrol =

z x

per gallon
After deduction, price of petrol

=\₹ x × \;{90}/{100}=\₹ \;{9 x}/{10}

Now, according to the question,

\;{1800}/{{9 x}/{10}}-\;{1800}/{x} \;\; =5

⇒ \;{2000}/{x}-\;{1800}/{x} \;\; =5

⇒ \;{200}/{x} \;\; =5

⇒ x=\;{200}/{5}

∴ \;\; \;\; x=\₹ 40

Hence, original price of petrol

=\₹ 40

per gallon

Go to Question:

Prev Question

Next Question