The speed of a truck is 1/3rd the speed of a train. The train covers 1230kms in 5 hours. What is the speed of the truck ?
A). 58 kmph
B). 62 kmph
C). 78 kmph
D). 82 kmph
A man can row 12 km/h in still water. If the river is running at 3 km/h, it takes 6 hours more upstream than to go downstream for the same distance. How far is the place ?
A). 130 km
B). 135 km
C). 140 km
D). 145 km
If the total distance of a journey is 120 km .If one goes by 60 kmph and comes back at 40kmph what is the average speed during the journey?
A). 42 kmph
B). 44 kmph
C). 48 kmph
D). 50 kmph
By how much per cent must a motorist increase his speed in order to reduce by 20%, the time taken to cover a certain distance?
A). 25
B). 35
C). 45
D). 55
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