Lakshya Education MCQs

Question: A person travels from P to Q at a speed of 40 kmph and returns by increasing his speed by 50%. What is his average speed for both the trips ?
Options:
A.36 kmph
B.45 kmph
C.48 kmph
D.50 kmph
Answer: Option C

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Question 1. A long distance runner run 9 laps of a 400 metres track everyday. His timings (in min) for four consecutive days are 88, 96, 89 and 87 respectively. On an average, how many metres/minutes does the runner cover ?
  1.    17.78 m/min
  2.    40 m/min
  3.    90 m/min
  4.    None of these
Answer: Option B
Question 2. Walking $${\frac{6}{7}}$$ th of his usual speed, a man is 12 minutes too late. The usual time taken by him to cover that distance is :
  1.    1 hour
  2.    1 hr 12 min
  3.    1 hr 15 min
  4.    1 hr 20 min
Answer: Option B
Question 3. In a flight of 6000 km, an aircraft was slowed down due to bad weather. The average speed for the trip was reduced by 400 kmph and the time of flight increased by 30 minutes. The original planned duration of the flight was :
  1.    $${2\frac{1}{2}}$$ hours
  2.    $${3\frac{1}{3}}$$ hours
  3.    $${4\frac{1}{3}}$$ hours
  4.    $${5\frac{1}{3}}$$ hours
Answer: Option A
Question 4. The average speed of a bus is one-third of the speed of a train. The train covers 1125 km in 15 hours. How much distance will the bus cover in 36 minutes ?
  1.    12 km
  2.    18 km
  3.    21 km
  4.    75 km
  5.    None of these
Answer: Option E
Question 5. How long must a driver take to drive the final 70 miles of a trip if he wants to average 50 miles an hour for the entire trip and during the first part of the trip he drove 50 miles in $$1\frac{1}{2}$$ hours ?
  1.    54 min
  2.    1 hr
  3.    66 min
  4.    70 min
Answer: Option A
Question 6. Car A travels at the speed of 65 km/hr and reaches its destination in 8 hours. Car B travels at the speed of 70 km/hr and reaches its destination in 4 hours. What is the ratio of the distance covered by car A and car B respectively ?
  1.    7 : 11
  2.    13 : 7
  3.    7 : 13
  4.    11 : 7
  5.    None of these
Answer: Option B

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