If 13 men can complete a piece of work in 36 days, then in how many days will 18 men complete the same work?
A). 19 days
B). 21 days
C). 26 days
D). 29 days
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1. A speed of 30.6 km /hr. is the same as
2. An athlete runs 200 metres race in 24 seconds. His speed (in km/hr) is :
3. In what time can an athlete cover a distance of 500 m, If he runs at a speed of 20km/h?
10. In a 1000 m race A beats B by 100 m. What is the ratio of speeds of A and B?