# Quiz Discussion

Two boats, travelling at 5 km/h and 10 km/h, head directly towards each other. They begin at a distance of 20 km from each other. How far apart are they (in km) one minute before they collide?

Course Name: Quantitative Aptitude

• 1]

$$\frac{{1}}{{12}}$$

• 2]

$$\frac{{1}}{{6}}$$

• 3]

$$\frac{{1}}{{4}}$$

• 4]

$$\frac{{1}}{{3}}$$

• 5]

None of these

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

A student goes to school at the rate of $$2\frac{1}{2}$$ km/hr and reaches 6 min late. If he travels at the speed of 3 km/hr he is 10 min early. What is the distance to the school?

• 1]

4 km

• 2]

$$3\frac{1}{4}$$ km

• 3]

1 km

• 4]

$$3\frac{1}{2}$$ km

##### Solution
2
Discuss

Anna left for city A from city B at 5.20 am. She travelled at the speed of 80 km/hr for 2 hours 15 minutes. After that the speed was reduced to 60 km/hr. If the distance between two cities is 350 kms, at what time did Anna reach reach city A ?

• 1] 9.20 am
• 2] 9.25 am
• 3] 9.35 am
• 4] 10.05 am
• 5] None of these
##### Solution
3
Discuss

A man travels 600 km by train at 80 km/hr, 800 km by ship at 40 km/hr, 500 km by aeroplane at 400 km/hr and 100 km by car at 50 km/hr. What is the average speed for the entire distance :

• 1]

$${ \text{60 km/hr}}$$

• 2]

$$60\frac{5}{123}{ \text{ km/hr}}$$

• 3]

$${ \text{62 km/hr}}$$

• 4]

$$65\frac{5}{123}{ \text{ km/hr}}$$

##### Solution
4
Discuss

A man covers half of his journey at 6 km/h and the remaining half at 3 km/h. His average speed is

• 1] 9 km/h
• 2] 4.5 km/h
• 3] 4 km/h
• 4] 3 km/h
##### Solution
5
Discuss

A motor car does a journey in 17.5 hours, covering the first half at 30 km/h and the second half at 40 km/h. Find the distance of the journey?

• 1] 684 km
• 2] 600 km
• 3] 624 km
• 4] 584 km
##### Solution
6
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
7
Discuss

A thief sees a jeep at a distance of 250 m, coming towards him at 36 km/h. Thief takes 5 seconds to realize that there is nothing but the police is approaching him by the jeep and start running away from police at 54 km/h. But police realise after 10 second, when the thief starts running away, that he is actually a thief and gives chase at 72 km/h. How long after thief saw police did catchup with him and what is the distance police had travel to do so?

• 1] 50 s, 1000 m
• 2] 65 s, 1150 m
• 3] 65 s, 1300 m
• 4] 45 s, 1050 m
• 5] None of these
##### Solution
8
Discuss

A person can row $$7\frac{1}{2}$$ km an hour in still water. Finds that it takes twice the time to row upstream than the time to row downstream. The speed of the stream is:

• 1] 2 kmph
• 2] 2.5 kmph
• 3] 3 kmph
• 4] 4 kmph
##### Solution
9
Discuss

A train travelling at 48 kmph crosses another train, having half of its length and travelling in opposite direction at 42 kmph, in 12 seconds. It also passes a railway platform in 45 seconds. The length of railway platform is:

• 1] 200m
• 2] 300m
• 3] 350m
• 4] 400m
##### Solution
10
Discuss

A gun is fired at a distance of 1.7 km from Ram and he hears the sound after 25 seconds. The speed of sound in meter per second is

• 1] 60 m/s
• 2] 62 m/s
• 3] 64 m/s
• 4] 68 m/s
# Quiz