Aptitude [TCS Placement]: Sample Questions 161 - 165 of 174
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Question 161
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Two cyclists cover the same distance in 15 km/hr and 16 km/hr, respectively. Find the distance travelled by each, if one takes 16 min longer than the other does.
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- Let the required distance be x km. The cyclist whose speed is less will take more time to cover the distance.
- Let cyclist having 16 kmph speed takes x hours to cover the distance.
- So, cyclist with 15 kmph speed will take ) hours to cover the distance.
- So, Distance covered by each will be,
Question 165
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Horse started to chase dog as it relieved stable two hrs ago. And horse started to ran with average speed 22km/hr. After traveling 6 hrs, 2hrs after it got dog. What will be the speed of dog?
EditExplanation
- Horse started to chase dog after 2 hours.
- Speed of horse is 22 kmph.
- After travelling for 6 hours, horse got the dog.
- We are asked to find the speed of dog.
- Distance covered by Horse in 6 hours = speed time
=
- Dog will also cover the same distance but in hours time.
- So, speed of dog =