Lakshya Education MCQs

Question: A train running at a speed of 54 km/hr crosses a platform in 30 seconds. The platform is renovated and its length is doubled. Now, the same train running at same speed crosses the platform in 46 seconds. Find the length of the train.
A.180 metres
B.200 metres
C.210 metres
D.240 metres
E.450 meters
Answer: Option C

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Question 1. An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in $$1\frac{2}{3}$$ hours, it must travel at a speed of:
  1.    300 kmph
  2.    360 kmph
  3.    600 kmph
  4.    720 kmph
Answer: Option D
Question 2. If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is:
  1.    50 km
  2.    56 km
  3.    70 km
  4.    80 km
Answer: Option A
Question 3. A train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is:
  1.    100 kmph
  2.    110 kmph
  3.    120 kmph
  4.    130 kmph
Answer: Option C
Question 4. If a man runs at 6 kmph from his house, he misses the train at the station by 8 min. If he runs at 10 kmph, he reaches 7 min before the departure of the train. What is the distance of the station from his house? (in Km).
  1.    $$4\frac{3}{4}$$ km
  2.    $$3\frac{1}{2}$$ km
  3.    $$4\frac{1}{4}$$ km
  4.    $$3\frac{3}{4}$$ km
  5.    $$4\frac{1}{2}$$ km
Answer: Option D
Question 5. A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?
  1.    3.6 km/hr
  2.    7.2 km/hr
  3.    8.4 km/hr
  4.    10 km/hr
Answer: Option B
Question 6. A person can row a boat d km upstream and the same distance downstream in 5 hours 15 minutes. Also, he can row the boat 2d km upstream in 7 hours. How long will it take to row the same distance 2d km downstream?
  1.    $$\frac{{3}}{{2}}$$ hours
  2.    7 hours
  3.    $$\frac{{29}}{{4}}$$ hours
  4.    $$\frac{{7}}{{2}}$$ hours
Answer: Option D

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