A train travels 60km in M minutes If its averag... - WAEC Mathematics 2008 Question
A train travels 60km in M minutes. If its average speed is 400km per hour, find the value of M
A
15
B
12
C
10
D
9
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Correct Option: D
Average speed = (\frac{Distance}{Time})
(\frac{400km}{hr} = \frac{60km}{Time})
Time = (\frac{60km}{400 km/hr})
= (\frac{60hr}{400})
M = (\frac{60hr}{400} \times \frac{60min}{1hr})
= 9 minutes
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