Quiz Discussion

Gopal , Ganesh and Giri start from point A and run around a circular path at speed of 10 kmph, 14 kmph and 6 kmph respectively. Gopal & Giri run in the same direction and Ganesh run in the opposite direction. The length of track is 20 km. In how much time will all three of them be together for the first time?

• 1]

  3 hr

• 2]

  4 hr

• 3]

  5 hr

• 4]

  6 hr

In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race, A can beat C by

• 1]

  21 m

• 2]

  26 m

• 3]

  28 m

• 4]

  29 m

In a 800 metre race, A defeated B by 15 seconds. If A's speed was 8 km/hr, the speed of B was -

• 1]

  16/27 km/hr

• 2]

  27/16 km/hr

• 3]

   km/hr

• 4]

   km/hr

In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race, A can beat C by:

• 1] 21 m
• 2] 26 m
• 3] 28 m
• 4] 29 m

A man starts in a boat from A toward B against the stream. After reaching a point M on the way, he throws a rubber ring into the water. He takes 8 minutes from then to reach his destination and the ring exactly A at that moment. If the distance between  A and B is 4 km, then find the speed of boat in still water

• 1]

  15 kmph

• 2]

  12 kmph

• 3]

  30 kmph

• 4]

  45 kmph

In a 200 metres race A beats B by 35 m or 7 seconds. A's time over the course is:

• 1] 40 sec
• 2] 47 sec
• 3] 33 sec
• 4] None of these

In a 500 m race, the ratio of the speeds of two contestants A and B is 3 : 4. A has a start of 140 m. Then, A wins by:

• 1] 60 m
• 2] 40 m
• 3] 20 m
• 4] 10 m

A can run 22.5 m while B runs 25 m. In a kilometre race B beats A by:

• 1]

  100 m

• 2]

  m

• 3]

  25 m

• 4]

  50 m

In 100 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by:

• 1]

  20 m

• 2]

  25 m

• 3]

  22.5 m

• 4]

  9 m

In a kilometre race, A beats B by 100 m and B beats C by 150 m. In the same race, by how many metres does A beat C ?

• 1] 225 m
• 2] 235 m
• 3] 240 m
• 4] 250 m