Quiz Discussion

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 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 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 race of 200 m, B can give a start of 10 m to A and C can give a start of 20 m to B. The start that C can give to A in the same race is ?

• 1] 27 m
• 2] 29 m
• 3] 30 m
• 4] 25 m

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 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

At a game of billiards, A can give B 15 points in 60 and A can give C to 20 points in 60. How many points can B give C in a game of 90?

• 1] 30 points
• 2] 20 points
• 3] 10 points
• 4] 12 points

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 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