Question

4. A two wheeler requires 5 litres of petrol to cover 200 km. How many litres of petrol is required to cover 80 km?​

Answer 1

Answer:

Given a scooter requires 2 liters of petrol to cover 80 km.

So, by unitary method, 1 liter of petrol covers 40 km

⇒ 1 km require

40

1

liters

= 0.025 liters of petrol

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Answer 2

Answer:

∴ $2$ litres of petrol is required to cover $80$ km.

Step-by-step explanation:

• In context with question asked,
• We have to find the amount of litres of petrol is required to cover $80$ km.
• It is given that,

  The distance covered by two wheeler in $5$ litres of petrol = $200$ km

• Let, $x$ be the amount of litres of petrol is required to cover $80$ km.
• So, the required ratio becomes,

          $\frac{x}{80} =\frac{5}{200}$

• By cross multiplication, we get

        ∴ $200x=80\times 5$

         ∴ $200x=400$

             ∴ $x=\frac{400}{200}$

             ∴ $x=2$

• ∴ $2$ litres of petrol is required to cover $80$ km.