How many times correct to the nearest whole num... - WAEC Mathematics 2010 Question
How many times, correct to the nearest whole number, will a man run round circular track of diameter 100m to cover a distance of 1000m?
A
3
B
4
C
5
D
6
correct option: a
No. of times = (\frac{\text{Total distance}}{\text{Circumference of circle}})
= (\frac{\text{Total distance}}{\pi d})
= (\frac{1000m}{\frac{22}{7} \times 100m})
= (\frac{1000 \times 7}{2200} = 3.187)
= 3(approx.) nearest whole no.
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