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Durga walks 5 km from her home to school...

Durga walks 5 km from her home to school in 60 minutes, then bicycles back to home along the same route at 15 km per hour. Her sister Smriti makes the same round trip, but does so at half of Durga's average speed. How much time does Smirti spend on her round trip ?

A

120 minutes

B

40 minutes

C

160 minutes

D

80 minutes

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The correct Answer is:
C
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MOTHERS-TIMES & DISTANCE -CLASS ROOM EXERCISE
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  2. A man travels 50 km at speed 25 km/hr and next 40 km at 20 km/h and th...

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  3. Durga walks 5 km from her home to school in 60 minutes, then bicycles ...

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  4. A man covers a total distance of 100 km on bicycle. For the first 2 ho...

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  5. Two cars start from Jaipur and Delhi respectively and travel towards e...

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  6. Two men start at the same time from Jaipur and Punjab respectively and...

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  7. Two cars start at the same time from A and B. If the two cars travels ...

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  8. A car departs from A to B and another car depart from B to A. Two cars...

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  9. Two men A and B cover the distance of 21 km from P to Q at a speed of ...

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  10. A policemen is chasing a thief. The distance, between them is 100 m an...

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  11. Ashok and Sarvesh start walking towards each other at 8 : 20 hrs in mo...

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  12. A, B, C travels a distance of 1200 km from Delhi to Mumbai B & C takes...

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  13. A passenger train running at the speed of 80 kms/hr leaves the railway...

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  14. Walking 6/7 of his usual speed, a man is 24 minutes late. The usual ti...

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  15. Walking at 3/5 of his usual speed , a person reaches his office 20 min...

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  16. A man covers a certain distance in 40 minutes at a speed of 45 kmph. I...

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  17. A covers a certain distance at a certain speed in 8 hours. The speed o...

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  18. The speed of B is 20% more than the speed of A. If A covers distance i...

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  19. A and B start to cover a distance at their usual speeds at the same ti...

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  20. Sohan and Lallan leave from their house at same time. After 36 min, So...

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