Question
Two trains ‘K’ and ‘L’ of equal lengths are
running on parallel tracks at speeds of 45 m/s and 55 m/s, respectively. If they can cross each other in ‘u’ seconds while traveling in opposite directions to each other and take 60 seconds to cross each other while traveling in the same direction, then find the value of ‘u’.Solution
ATQ, Let the length of train ‘K’ and ‘L’ be ‘k’ metres and ‘l’ metres, respectively. According to the question: 
Also, 
Dividing equation (1) by equation (2), we get: 
Statements: Some trucks are buses.
All buses are cars.
All cars are bikes.
Conclusions: I. Some trucks are bikes.
II....
In the given question, three conclusions are given and five statements as 1), 2), 3), 4) and 5). You need to choose the option that contains the set of...
Statements:
Only Lift are Stair.
All Ladder are Lift.
No Lift is a Step.
Conclusions:
I. Some Ladder being Stair is n...
Statements:Â Â Â Â Â Â Some cow are bull.
All bull are sheep.
Conclusions:Â Â Â Â Â Â I. All bull are cow.
           ...
Statements:
Only Towels are Soaps.
Only few Towels are Shampoos.
All Shampoos are Conditioners.
Conclusions:
<...Statements:
All pearls are diamonds.
All diamonds are gold
All gold are silvers.               Â
In the question below some statements are given followed by two conclusions I and II. You have to take the given statements to be true even if they see...
Statement:Â
Each O is P.
Only a few P are J.
Some J are K.
Conclusion:
I. All P are O.
II. All O are not ...
Statements: No swan is a penguin.
                         Some penguins are kingfisher.
Conclusions: I. Some s...
In the question below there are three statements followed by two conclusions I and II. You have to take the three given statements to be true even if t...
Relevant for Exams:
