Question : To cover a distance of 234 km in 1.6 hr, what should be the average speed of the car in m/s?
Option 1: 40.625
Option 2: 146.25
Option 3: 73.125
Option 4: 81.25
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Correct Answer: 40.625
Solution : Given: Distance = 234 km = 234000 m Time = 1.6 hr = 1.6 × 60 × 60 = 5760 s The average speed is given by the formula: Speed = $\frac{\text{Distance}}{\text{Time}}$ Speed = $\frac{234000}{5760} = $ 40.625 m/s Hence, the correct answer is 40.625.
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