Quiz Discussion

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 a 500m race, B gives A a start of 160m.The ratio of the speeds of A and B is 2:3. What was the distance by which the
winner beat the loser?​

• 1]

  B win by 10 metre

• 2]

  A win by 10 metre

• 3]

  B win by 20 metre

• 4]

  A win by 20 metre

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 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

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

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

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

A runs 1 2/3 or  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 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 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