Quiz Discussion

A man completes a certain journey by a car. If he covered 30% of the distance at the speed of 20kmph. 60% of the distance at 40km/h and the remaining of the distance at 10 kmph, his average speed is:

Course Name: Quantitative Aptitude

  • 1] 25 km/h
  • 2] 28 km/h
  • 3] 30 km/h
  • 4] 33 km/h
Solution
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# Quiz
1
Discuss

A walk at a uniform rate of 4 km an hour; and 4 hr after his start, B bicycles after him at the uniform rate of 10 km an hour. How far from the starting point will B catch A ?

  • 1] 16.7 km
  • 2] 18.6 km
  • 3] 21.5 km
  • 4] 26.7 km
Solution
2
Discuss

The area of square park is 25 sq. Km. Time taken to complete a round of the field once, at a speed of 3 kmph is:

  • 1] 4 hours 60 minutes
  • 2] 4 hours 50 minutes
  • 3] 6 hours 40 minutes
  • 4] 5 hours 40 minutes
Solution
3
Discuss

A train passes two persons walking in the same direction at a speed of 3 kmph and 5 kmph respectively in 10 seconds and 11 seconds respectively. The speed of the train is

  • 1] 28 kmph
  • 2] 27 kmph
  • 3] 25 kmph
  • 4] 24 kmph
Solution
4
Discuss

A train 300 m long passed a man walking along the line in the same direction at the rate of 3 km/hr in 33 sec. The speed of the train is :

  • 1]

    30 km/hr

  • 2]

    32 km/hr

  • 3]

    \(32\frac{8}{{11}}\)  km/hr

  • 4]

    \(35\frac{8}{{11}}\)  km/hr

Solution
5
Discuss

A ship leaves on a long voyage. When it is 18 miles from shore, a sea plane, whose speed is ten times that of the ship, is sent to deliver mail. How far from the shore does the sea plane catch up with the ship?

  • 1] 24 miles
  • 2] 25 miles
  • 3] 22 miles
  • 4] 20 miles
  • 5] None of these
Solution
6
Discuss

Without stoppage, a train travels a certain distance with an average speed of 60 km/h, and with stoppage it covers the same distance with an average speed of 40 km/h. On an average, how many minutes per hour does train stop during the journey ?

  • 1] 20 min/hour
  • 2] 15 min/hour
  • 3] 10 min/hour
  • 4] 12 min/hour
Solution
7
Discuss

An express train travelled at an average speed of 100 km/hr, stopping for 3 minutes after every 75 km. How much time does the Train take to travel between two places which are 600 km apart?

  • 1]

    6 hrs 21 min

  • 2]

    6 hrs 24 min

  • 3]

    6 hrs 27 min

  • 4]

    6 hrs 30 min

Solution
8
Discuss

A and B start at the same time with speed of 40 km/hr. and 50 km/hr respectively. If in covering the journey A takes 15 min longer than B, the total distance of the journey is :

  • 1] 40 km
  • 2] 48 km
  • 3] 50 km
  • 4] 52 km
Solution
9
Discuss

Two cars start simultaneously from cities A and B, towards B and A respectively, on the same route. Once the two cars reach their destinations they turned around and move towards the other city without any loss of time. The two cars continue shuttling in this manner for exactly 20 hours. If the speed of the car starting from A is 60km/hr and the speed of the car starting from B is 40km/hr and the distance between the two cities is 120 km, find the number of times the two cars cross each other?

  • 1] 8
  • 2] 10
  • 3] 12
  • 4] 20
  • 5] Can't be determined
Solution
10
Discuss

Two cyclists start on a circular track from a given point but in opposite directions with speeds of 7 m/sec and 8 m/sec respectively. If the circumference of the circle is 300 metres, after what time will they meet at the starting point ?

  • 1] 20 sec
  • 2] 100 sec
  • 3] 200 sec
  • 4] 300 sec
Solution
# Quiz