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Due to a 25% increase in the price of diesel, a person got 10 liters

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Due to a 25% increase in the price of diesel, a person got 10 liters  [#permalink]

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New post 24 Sep 2018, 00:21
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Question Stats:

80% (01:14) correct 20% (02:50) wrong based on 5 sessions

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Due to a 25% increase in the price of diesel, a person got 10 liters less quantity for $50 than he was getting before the increase. What was the initial price per liter of diesel?

(A) $1.00
(B) $1.50
(C) $2.25
(D) $2.50
(E) $3.00

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Re: Due to a 25% increase in the price of diesel, a person got 10 liters  [#permalink]

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New post 24 Sep 2018, 00:43
\sqrt{}
Bunuel wrote:
Due to a 25% increase in the price of diesel, a person got 10 liters less quantity for $50 than he was getting before the increase. What was the initial price per liter of diesel?

(A) $1.00
(B) $1.50
(C) $2.25
(D) $2.50
(E) $3.00



Back solve the question .

A) 1

No of liters of diesel = 50 /1 = 50

After 25% increase = price = 1.25

50 / 1.25 = 40

Difference is 10.

The best answer is A.
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Re: Due to a 25% increase in the price of diesel, a person got 10 liters  [#permalink]

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New post 24 Sep 2018, 00:53
Bunuel wrote:
Due to a 25% increase in the price of diesel, a person got 10 liters less quantity for $50 than he was getting before the increase. What was the initial price per liter of diesel?

(A) $1.00
(B) $1.50
(C) $2.25
(D) $2.50
(E) $3.00


Expense = Amount * Price
If price goes up to (5/4) of initial, Amount will go down to (4/5) of initial to keep the expense same.

So this 1/5 reduction is 10 lts which means the initial amount was 5*10 = 50 lts

Initial price of diesel = $50/50 lts = $1/lts

Answer (A)
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Re: Due to a 25% increase in the price of diesel, a person got 10 liters &nbs [#permalink] 24 Sep 2018, 00:53
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