Question : A person covers 28 km while walking at a speed of 8 km/hr. How much distance (in km) will he cover at the same time if he walks at a speed of 6 km/hr?
Option 1: 36
Option 2: 28
Option 3: 32
Option 4: 21
Answer (1)
25th Jan, 2024
Correct Answer: 21
Solution :
Distance = 28 km
Speed = 8 km/hr
Time taken = $\frac{28}{8}$
= $\frac{7}{2}$
= 3.5 hr
Speed = 6 km/hr
Distance covered = 3.5 × 6
= 21 km
Hence, the correct answer is 21.
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