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प्रश्न
A motorbike requires 2 litres of petrol to cover 100 kilometers. How many litres of petrol will be required to cover 250 kilometers? (using unitary method)
उत्तर
To cover 100 km quantity of petrol required = 2 litres
∴ To cover 1 km petrol required = `2/100`
= `1/50` litres
∴ To cover 250 km petrol required = `1/50 xx 250`
= 5 litres
5 litres of petrol required to cover 250 km
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