Practice Question and Answer

Q:

The Indian medium for 'Massive Open Online Courses' is-

1227 0

  • 1
    self
    Correct
    Wrong
  • 2
    blackboard
    Correct
    Wrong
  • 3
    Moodle
    Correct
    Wrong
  • 4
    Edex
    Correct
    Wrong
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Answer : 1. "self"

Q:

A train 270 meters long is running at a speed of 36 km per hour then it will cross a bridge of length 180 meters in : 

2023 0

  • 1
    40 sec
    Correct
    Wrong
  • 2
    45 sec 
    Correct
    Wrong
  • 3
    50 sec 
    Correct
    Wrong
  • 4
    35 sec
    Correct
    Wrong
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Answer : 2. "45 sec "
Explanation :

According to the question the total distance will be (270+180)=450 meter
the speed of train will be in 10 m/sec
so that we knew that D=Speed Χ Time
450=10ΧTime
then Time will be 45 sec

Q: A can do a piece of work in 4 hours; B and C can do it in 3 hours. A and C can do it in 2 hours. How long will B alone take to do it ? 1832 0

  • 1
    10 hours
    Correct
    Wrong
  • 2
    12 hours
    Correct
    Wrong
  • 3
    8 hours
    Correct
    Wrong
  • 4
    24 hours
    Correct
    Wrong
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Answer : 2. " 12 hours"

Q: A and B can do a piece of work in 10 days, B and C in 15 days and C and A in 20 days, C alone can do the work in : 1666 0

  • 1
    60 days
    Correct
    Wrong
  • 2
    120 days
    Correct
    Wrong
  • 3
    80 days
    Correct
    Wrong
  • 4
    30 days
    Correct
    Wrong
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Answer : 2. " 120 days"

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Answer : 3. "3"

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