Q1. A boat can row 35 km upstream in 7 hours and the same distance downstream in 5 hours. What is the speed (in km/hr) of the boat in still water?
Q2.Vishnu travelled equal distances at speeds of 10 km/hr., 30 km/hr, and 8 km/hr took a total of 15.5 minutes to complete. Find the total distance he travelled, in km.
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Q3. Two cars start from a house at an interval of 10 minutes and travel at a speed of 20 km/hr. With how much speed (km/hr.) should a woman coming from the opposite direction towards the house travel, to meet the cars at an interval of 8 minutes?
Q4. Speed of a boat in still water is 12 kmph and that of the current is 3 kmph. A man rows a boat upstream up to 135 km and returns downstream to the starting point. Find the total time taken for the entire journey in hours.
Q5. The speed of car M is twice that of car W. If car M covers 120 km in 2 hrs & 30 mins, what is the speed of car W?
(a) 36 kmph
(b) 48 kmph
(c) 24 kmph
(d) 42 kmph
Q6. A train of length 600 metre crosses a platform of length 1000 metre in 80 seconds. What is the speed (in m/s) of the train?
Q7. Car-I covers a distance in a certain time. Car-II takes double the time to cover half the same distance.
Find the ratio of their respective speeds.
Q9. A car covers a certain distance in 45 minutes at a speed of 60 kmph. What should be the speed in kmph, if it has to cover the same distance 5 minutes earlier?
Q10. Payal covers a distance of 1500 meter in 3 min. find the time in which she covers 450 meter distance at same speed
(a) 72 sec
(b) 45 sec
(c) 54 sec
(d) 36 sec
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