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A girl while walking diametrically acros...

A girl while walking diametrically across a semicircular playground, takes 3 minutes less than if she had kept walking round the circular path from A to B. If she walks 60 metres a minute, what is the diameter of the play ground :

A

60 m

B

48 m

C

84 m

D

315 m

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The correct Answer is:
D
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ARIHANT SSC-TIME, SPEED AND DISTANCE-EXERCISE LEVEL 2
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  12. Ajai and Kajol start towards each other at the same time from Barabank...

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  13. Raghupati goes at a speed of 60 km/h. Raghav goes at a speed of 36 km/...

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  14. Raghupati goes at a speed of 60 km/h. Raghav goes at a speed of 36 km/...

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  15. Raghupati goes at a speed of 60 km/h. Raghav goes at a speed of 36 km/...

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  17. Mohan Namita and Pranav travel from Shantipur to Hulchulpur. They have...

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  18. While walking down on the pavements of New York city. I notice that ev...

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