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Weight and Its Measurement

The full-tank...

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:
$\frac{(x * 10)}{1.25 x} = 8$

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