Lakshya Education MCQs

Question: The speed of two trains are in the ratio 6 : 7. If the second train runs 364 km in 4 hours, then the speed of first train is :
Options:
A.60 km/hr
B.72 km/hr
C.78 km/hr
D.84 km/hr
Answer: Option C

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More Questions on This Topic :

Question 1. 2 km 5 metres is equal to ?
  1.    2.5 km
  2.    2.005 km
  3.    2.0005 km
  4.    2.05 km
Answer: Option B
Question 2. A jeep is chasing a car which is 5 km ahead. Their respective speeds are 90 km/hr and 75 km/hr. After how many minutes will the jeep catch the car ?
  1.    10 min
  2.    20 min
  3.    24 min
  4.    25 min
Answer: Option B
Question 3. A gun is fired from a fort. A man hears the sound 10 seconds later. If the sound travels at the rate of 330 m/sec, find the distance between the fort and the man.
  1.    330 km
  2.    33 km
  3.    3.3 km
  4.    0.33 km
Answer: Option C
Question 4. In a race of one kilometre. A gives B a start of 100 metres and still wins by 20 seconds. But if A gives B a start of 25 seconds, B wins by 50 metres. The time taken by A to run kilometre is :
  1.    17 sec
  2.    $$\frac{{500}}{{29}}{\text{sec}}$$
  3.    $$\frac{{1200}}{{29}}{\text{sec}}$$
  4.    $$\frac{{700}}{{29}}{\text{sec}}$$
Answer: Option B
Question 5. A man travels 50 km at speed 25 km/hr and next 40 km at 20 km/hr and there after travel 90 km at 15 km/hr. His average speed is :
  1.    18 km/hr
  2.    25 km/hr
  3.    20 km/hr
  4.    15 km/hr
Answer: Option A
Question 6. Two cars are moving with speed v1, v2 towards a crossing along two roads, If their distance from the crossing be 40 metres and 50 metres at an instant of time then they do not collide if their speeds are such that :
  1.    v1 : v2 $$ = $$ 16 : 25
  2.    v1 : v2 $$ \ne $$ 4 : 5
  3.    v1 : v2 $$ \ne $$ 5 : 4
  4.    v1 : v2 $$ \ne $$ 25 : 16
Answer: Option B

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