Question

First bus travels 36 km in 30 min and second bus travels 120 km in 2 hours which bus does travel fast unitary method

Answer 1

36x2=72

72/60=1.2km

120/120=1km

Answer 2

The first bus will travel faster.

Explanation:

It is given that,

Distance covered by the first bus, $d_1=36\ km$

Time, t₁ = 30 min = 0.5 hours

Distance covered by the second bus, $d_1=120\ km$

Time, t₂ = 2 hours

The bus having more speed will travel faster.

Speed of the first bus is :

$v_1=\dfrac{d_1}{t_1}$

$v_1=\dfrac{36\ km}{0.5\ h}$

$v_1=72\ km/h$

Speed of the second bus is :

$v_2=\dfrac{d_2}{t_2}$

$v_2=\dfrac{120\ km}{2\ h}$

$v_2=60\ km/h$

It is clear that the speed of first bus is more than that of the second bus. So, first bus will travel faster. Hence, this is the required solution.

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