Lakshya Education MCQs

Question: A man goes from Mysore to Bangalore at a uniform speed of 40 km/hr and comes back to Mysore at a uniform speed of 60 km/hr. His average speed for the whole journey is :
Options:
A.48 km/hr
B.50 km/hr
C.54 km/hr
D.5 km/hr
Answer: Option A

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Question 1. 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. The distance (in km) between the school and the house is :
  1.    5 km
  2.    4 km
  3.    3 km
  4.    1 km
Answer: Option B
Question 2. A man takes 50 minutes to cover a certain distance at a speed of 6 km/hr. If he walks with a speed of 10 km/hr, he covers the same distance in :
  1.    10 min
  2.    20 min
  3.    30 min
  4.    40 min
Answer: Option C
Question 3. A man takes 100 minutes to cover a certain distance at a speed of 6 km/hr. If he walks with a speed of 10 km/hr, he covers the same distance in :
  1.    10 min
  2.    20 min
  3.    30 min
  4.    60 min
  5.    80 min
Answer: Option D
Question 4. Two trains are running with speed 30 km/hr and 58 km/hr in the same direction, a man in the slower train passes the faster train in 18 sec. The length (in metres) of the faster train is :
  1.    70 metres
  2.    100 metres
  3.    128 metres
  4.    140 metres
Answer: Option D
Question 5. A is twice as fast as B and B is thrice as fast as C. The journey covered by C in $$1\frac{1}{2}$$ hours will be covered by A in :
  1.    15 min
  2.    2 min
  3.    30 min
  4.    1 hour
Answer: Option A
Question 6. A train 300 meres long is running at a speed of 25 metre per second. It will cross a bridge of 200 metres long in :
  1.    5 sec
  2.    10 sec
  3.    20 sec
  4.    25 sec
Answer: Option C

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