A bus travels 40 km in 30 minutes. If the speed of the bus remains the same, how far can it travel in 3 hours?

250 kms

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220 kms

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240 kms

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200 kms

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Solution

The correct option is C 240 kms
Given: Distance travelled in 30 mins (0.5 hours) = 40 km
To find: Distance traveled in 180 mins (3 hours)

$Since, Distance (x) \propto Time taken(y)$

$\frac{x_{1}}{y_{1}} = \frac{x_{2}}{y_{2}}$

$x_{1} = 40 k m y_{1} = 30 m i n y_{2} = 180 m i n x_{2} = Distance travelled in 180 min$

On substituting the values,

$\frac{40}{30} = \frac{x_{2}}{180}$

$x_{2} = \frac{40 \times 180}{30}$

$x_{2} = 240 k m$

Hence, the distance travelled in 180 minutes is 240 km.

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