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Question
A bike gives a mileage of 70 km/l. How much petrol will be required to travel a distance of 350 km?
A bike gives a mileage of 70 km/l. How much petrol will be required to travel a distance of 350 km?
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Solution
The correct option is A 5 L
Items in the Ratio
Numbers in the ratio
Values of items used Multiplier Distance
70 350 5 Volume
1 5 5
Here, ratio of distance covered to volume of petrol is 70 : 1.
We need to find volume of petrol required to cover 350 km.
⇒ 70 : 1 = 350 : Volume of petrol (since both are equivalent ratios)
⇒ 70 : 1 = 70 × 5 : Volume of petrol
⇒ Volume of petrol = 1 × 5 = 5 litres
Therefore, to cover 350 km, we would need 5 litres of petrol.
| Items in the Ratio | Numbers in the ratio | Values of items used | Multiplier |
| Distance | 70 | 350 | 5 |
| Volume | 1 | 5 | 5 |
Here, ratio of distance covered to volume of petrol is 70 : 1.
We need to find volume of petrol required to cover 350 km.
⇒ 70 : 1 = 350 : Volume of petrol (since both are equivalent ratios)
⇒ 70 : 1 = 70 × 5 : Volume of petrol
⇒ Volume of petrol = 1 × 5 = 5 litres
Therefore, to cover 350 km, we would need 5 litres of petrol.
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