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1) Train-A crosses a pole in 25 seconds and another Train-B crosses a pole in 1 minute and 15 seconds. Length of train-A is half length of train-B. What is the respective ratio between the speed of Train-A and Train-B ?
(a)3:02
(b), 3 : 4
(c)4:03
(d)Cannot be determined ‘
(e)None of these
2) The average speed of a car is 9/5 times the average speed of a bus. A tractor covers 575km in 23 hours. How much distance will the car cover in 4 hours if the speed of the bus is twice the speed of the tractor ?
(a) 340 km
(b) 480 km
(c) 360 kin
(d) 450 km
(e) None of these
3) A car covers the first 39 km. of it’s journey in 45 minutes and covers the remaining 25 km. in 35 minutes. What is the average speed of the car ?
(a) 40 kmph
(b) 64 kmph
(c) 49 kmph
(d) 48 kmph
(e) None of these
4) An aeroplane flies with an average speed of 756 km/hr. A helicopter takes 48 hours to cover twice the distance covered by aeroplane in 9 hours. How much distance will the helicopter cover in 18 hours? (assuming that flights are non-stop and moving with uniform speed)
(a) 5014 km
(b) 5140 km
(c)5130 km
(d) 5103 km
(e) None of these
5) A 360 metre long train runs at the speed of 80 kmph. In what time will the train cross a man running at 8 kmph in the same direction of train ?
(a)16 seconds
(b)18 seconds
(c)20 seconds
(d)15 seconds
(e)None of these
6) The speed of a boat in still water is 9.5 kmph while that of current is 2.5 kmph. If the boat takes 114 minutes in rowing from point A to B and coming back to point A, what is the distance between A and B ?
(a) 8.4 km.
(b) 4.8 km.
(c) 8.8 km.
(d) 7.4 km.
(e) None of these
7) A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water ?
(a) 4 kmph
(b) 6 kmph
(c) 8 kmph
(d) 3.5 kmph
(e) None of these
8) A car starts at 11 am from point A towards point B at 36 kmph while another car starts at 1 pm from point B towards A at 44 kmph. They cover a distance of 592 km till meeting. At what time will they meet each other ?
(a) 8 pm
(b) 6 : 30 pm
(c) 7 : 30 pm
(d) 5 : 30 pm
(e) None of these
9) Find the speed of train in km/hr whose length is 200m and crosses a platform of length 240 m in 22 seconds?
(a)60
(b)48
(c)53
(d) Data inadequate
(e) None of these
10) A man starts going for morning walk every day. The distance walked by him on the first day was 2 kms. Everyday he walks half of the distance walked on the previous day. What can be the maximum total distance walked by him in his life time ?
(a) 4 kms.
(b) 120 kms.
(c)18 kms.
(d)Data inadequate
(e)None of these
11) A car covers its journey at the speed of 80 km/hour in 10 hours. If the same distance is to be covered in 4 hours, by how much the speed of car will have to increase ?
(a) 8 km/hr
(b) 10 km/hr
(c) 12 km/hr
(d) 16 km/hr
(e) None of these
