A and B walk around a circular track. A and B walk at a speed of 2 rounds per hour and 3 rounds per hour respectively. If they start at 8 a.m. from the same point in opposite directions, how many times shall they cross each other before 9.30 a.m.?

Related Mcqs:

1. A walks around a circular field at the rate of one round per hour while B runs around it at the rate of six rounds per hour. They start in the same direction from the same point at 7.30 a.m. They shall first cross each other at :___________?

   A. 7.42 a.m.
   B. 7.48 a.m.
   C. 8.10 a.m.
   D. 8.30 a.m.

2. Three men start together to travel the same way around a circular track of 11 kilometers in circumference. Their speeds are 4, 5 and 8 kilometers per hour respectively. When will they meet at a starting point?

   A. 11 hours
   B. 12 hours
   C. 220 hours
   D. 22 hours

3. At 10 a.m. two trains started traveling toward each other from stations 287 miles apart. They passed each other at 1:30 p.m. the same day. If the average speed of the faster train exceeded the average speed of the slower train by 6 miles per hour, which of the following represents the speed of the faster train, in miles per hour?

   A. 38
   B. 40
   C. 44
   D. 48

4. Two trains are moving in opposite directions 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is_________?

   A. 36
   B. 45
   C. 48
   D. 49

   Submitted by: Shuaib Uddin

5. A circular path of 13 m radius has marginal walk 2 m wide all round it. Find the cost of leveling the walk at 25p per m2?

   A. Rs.45
   B. Rs.78
   C. Rs.44
   D. Rs.40

6. A can give B 100 meters start and C 200 meters start in a kilometer race. How much start can B give C in a kilometer race?

   A. 111.12 m
   B. 888.88 m
   C. 777.52 m
   D. 756.34 m

7. The speed of a boat in upstream is 60 kmph and the speed of the boat downstream is 80 kmph. Find the speed of the boat in still water and the speed of the stream?

   A. 70, 10 kmph
   B. 35, 27 kmph
   C. 50, 60 kmph
   D. 45, 55 kmph

8. A solid consists of a circular cylinder with an exact fitting right circular cone placed on the top. The height of the cone is h. If the total volume of the solid is three times the volume of the cone then the height of the cylinder is________?

   A. 2h
   B. 4h
   C. 2h/3
   D. 3h/2

9. In a race, a car travelled at a speed of 150 kmph. If it had travelled at 180 kmph, it would have completed the race before 3 minutes. Find the length of the track.

   A. 50 km
   B. 45 km
   C. 40 km
   D. 30 km

10. A car gives a mileage of 20 km per liter of petrol when driven at a constant speed of 50 kmph but the mileage decreases by 10% when driven at a speed of 70 kmph. How many km can the car travel with 12 liters of petrol if it travels a speed of 70 kmph?

    A. 216 km
    B. 240 km
    C. 228 km
    D. 200 km