(Study Materials) Numerical Ability/Quantitative Aptitude : Time and Distance - MCQ

1. A boy goes to his school from his house at a speed of 3 km/hr and returns at a speed of 2 km/hr. If he takes 5 hours in going and coming, the distance between his house and school is:

1. 8.5 km
2. 5.5 km
3. 6 km
4. 9 km
5. 7 km

2. The average speed of a train in the onward journey is 25% more than that in the return journey. The train halts for one hour on reaching the destination. The total time taken for the complete to and for journey is 17 hours, covering a distance of 800 km. The speed of the train in the onward journey is:

1. 50 km/hr
2. 53 km/hr
3. 52 km/hr
4. 56.25 km/hr
5. 46 km/hr

3. A man on tour travels first 160 km at 64 km/hr and the next 160 kin at 80 km/hr. The average speed for the first 320 km of the tour is:

1. 35.55 km/hr
2. 38 km/hr
3. 71.11 km/hr
4. 75 km/hr
5. 72 km/hr

4. A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximately :

1. 10.4 km/hr
2. 10.8 km/hr
3. 12 km/hr
4. 14 km/hr
5. 13 km/hr

5. A car travels the first one-third of a certain distance with a speed of 10 km/hr, the next one-third distance with a speed of 20 km/hr, and the last one-third distance with a speed. of 60 km/hr. The average speed of the car for the whole journey is:

1. 18 km/hr
2. 34 km/hr
3. 35 km/hr
4. 39 km/hr
5. 40 km/hr

6. A motorist covers a distance of 39 km in 45 minutes by moving at a speed of x kmph for the first 15 minutes, then moving at double the speed for the next 20 minutes and then again moving at his original speed for the rest of the journey Then, x is equal to:

1. 31.2
2. 36
3. 42
4. 54
5. 50

7. Mary jogs 9 km at a speed of 6 km per hour. At what speed would she need to jog during the next 1.5 hours to have an average of 9 km per hour for the entire jogging session?

1. 9 kmph
2. 13 kmph
3. 12 kmph
4. 15 kmph
5. 11 kmph

8. A car travelling with 5/7 of its actual speed covers 42 km in 1 hr 40 min 48 sec. Find the actual speed of the car.

1. 17 km/hr
2. 32 km/hr
3. 31 km/hr
4. 35 km/hr
5. 45 km/hr

9. A man can reach a certain place in 30 hours. If he reduces his speed by 1/15th, he goes 10 km less in that time. Find his speed.

1. 7 km/hr
2. 5 km/hr
3. 52 km/hr
4. 8 km/hr
5. 35 km/hr