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प्रश्न
From a cask, containing 450 litres of petrol, 8% of the petrol was lost by leakage and evaporation. How many litres of petrol was left in the cask?
बेरीज
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उत्तर
Step 1: Calculate the volume of petrol lost
Original petrol in the cask = 450 litres
Leakage and evaporation = 8 %
∴ Lost petrol = 8 % of 450 litres `= (8 xx 450)/100` = 36 litres
Step 2: Calculate the remaining volume
The volume of petrol left in the cask is the initial volume minus the volume lost.
Remaining Volume = Initial Volume − Lost Volume
Remaining Volume = 450 litres − 36 litres = 414 litres
The amount of petrol left in the cask was 414 litres.
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