Two horses start trotting towards each other, one from A to B and another from B

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Question
Two horses start trotting towards each other, one from A to B and another from B to A. They cross each other after one hour and the first horse reaches B, 5/6 hour before the second horse reaches A. If the distance between A and B is 50 km. what is the speed of the slower horse?
Options
A. 30 km/h
B. 15 km/h
C. 25 km/h
D. 20 km/h

Correct Answer

20 km/h

Explanation

If the speed of the faster horse be $f_{s}$ and that of slower horse be $s_{s}$ then

$f_{s} + s_{s} = \frac{50}{1} = 50$

and $\frac{50}{s_{s}} - \frac{50}{f_{s}} = \frac{5}{6}$

Now, you can go through options.

The speed of slower horse is 20km/h

Since, 20+30=50

and $\frac{50}{20} - \frac{50}{30} = \frac{5}{6}$

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Options
A. 90 km/h
B. 160 km/h
C. 67.5 km/h
D. None of these

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2. A thief is noticed by a policeman from a distance of 200 m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km and 11 km per hour respectively. What is the distance between them after 6 minutes?
Options
A. 100 m
B. 150 m
C. 190 m
D. 200 m

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3. A person crosses a 600 m long street in 5 minutes, What is his speed in km per hour?
Options
A. 3.6
B. 7.2
C. 8.4
D. 10

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4. The speed of a car increases by 2 kms after every one hour. If the distance travelling in the first one hour was 35 kms. what was the total distance travelled in 12 hours?
Options
A. 456 kms
B. 482 kms
C. 552 kms
D. 556 kms

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5. Find the annual income derived by investing Rs. 6800 in 10% stock at 136.?
Options
A. 250
B. 1500
C. 500
D. 50

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6. How long will a boy take to run round a square field of side 35 meters, If he runs at the rate of 9 km/hr?
Options
A. 50 sec
B. 52 sec
C. 54 sec
D. 56 sec

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7. A man takes 6 hours 15 minutes in walking a distance and riding back to the starting place. He could walk both ways in 7 hours 45 minutes. The time taken by him to ride both ways, is
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A. 4 hours
B. 4 hours 30 minutes
C. 4 hours 45 minutes
D. 5 hours

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8. A man walking at the rate of 5 km/hr crosses a bridge in 15 minutes. The length of the bridge (in metres) is
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C. 1000
D. 1250

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A. 35.55 km/hr
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Options
A. 10 a.m
B. 10.30 a.m
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Two horses start trotting towards each other, one from A to B and another from B to A. They cross each other after one hour and the first horse reaches B, 5/6 hour before the second horse reaches A. If the distance between A and B is 50 km. what is the speed of the slower horse?

Time and Distance problems

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Two horses start trotting towards each other, one from A to B and another from B to A. They cross each other after one hour and the first horse reaches B, 5/6 hour before the second horse reaches A. If the distance between A and B is 50 km. what is the speed of the slower horse?

Time and Distance problems

Search Results

More in Aptitude:

Aptitude

Engineering

Programming

Reasoning

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