Quiz Discussion

In a kilometre race, A beats B by 30 seconds and B beats C by 15 seconds. If A beats C by 180 m, the time taken by A to run 1 kilometre, is ?

• 1] 200 sec
• 2] 205 sec
• 3] 210 sec
• 4] 250 sec

In a 100 m race, A can give B 10 m and C 28 m. In the same race B can give C:

• 1] 18 m
• 2] 20 m
• 3] 27 m
• 4] 9 m

A and B can cover a 200 m race in 22 seconds and 25 seconds respectively. When Av finished the race, then B is at what distance from the finishing line ?

• 1] 24 m
• 2] 30 m
• 3] 48 m
• 4] 54 m

A and B take part in 100 m race. A runs at 5 kmph. A gives B a start of 8 m and still beats him by 8 seconds. The speed of B is:

• 1] 5.15 kmph
• 2] 4.14 kmph
• 3] 4.25 kmph
• 4] 4.4 kmph

A and B take part in a 100 metres race. A runs at 5 km an hour. A gives B a start of 8 metres and still beats him by 8 seconds. The speed of B is ?

• 1] 4.45 km/hr
• 2] 4.14 km/hr
• 3] 4.15 km/hr
• 4] 4.25 km/hr

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

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 400 m race, A gives B a start of 5 seconds and beats him by 15 m. In another race of 400 m, A beats B by 7 1/7 seconds. Their respective speed are -

• 1] 6 m/sec, 7 m/sec
• 2] 5 m/sec, 7 m/sec
• 3] 8 m/sec, 7 m/sec
• 4] 9 m/sec, 7 m/sec

In a 200 m 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

Two bike riders ride in opposite directions around a circular track, starting at the same time from the same point. Biker A rides at a speed of 16 kmph and biker B rides at a speed of 14 kmph. If the track has a diameter of 40 km, after how much time (in hours) will the two bikers meet?

• 1]

  6.52

• 2]

  8.14

• 3]

  4.18

• 4]

  5.02