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Question

The full-tank petrol in Deepti’s Scooter lasts for 10 days. If She starts using 25% more petrol every day, how many days will the full-tank petrol last?

A
4 days
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B
6 days
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C
8 days
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D
10 days
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Solution

The correct option is C 8 days
If initially Deepti uses 'x' litres of petrol every day and now she is using '1.25x' litres petrol every day then full tank petrol will last for:
(x*10)1.25x=8

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