Quiz Discussion

A runs 1 2/3  times as fast as B. If A gives B a start of 80 m, how far must the winning post be so that A and B might reach it at the same time?

• 1]

  200 m

• 2]

  300 m

• 3]

  270 m

• 4]

  160 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 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 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 a kilometre race, A, B and C are three participants. A can give B start of 50 m and C a start of 69 m. The start which B can allow C, is -

• 1] 17 m
• 2] 18 m
• 3] 19 m
• 4] 20 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

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 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 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

In a game of 100 points, A can give B 20 points and C 28 points. Then, B can give C:

• 1] 8 points
• 2] 10 points
• 3] 14 points
• 4] 40 points