Question
In the question below are given some statements
followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts. Statements: Few lamps are lights. All lights are bulbs. Only bulbs are competitors. Conclusions: I: Some bulbs are lamps. II: No competitor is light.Solution
Few lamps are lights (I) + All lights are bulbs (A) β Some lamps are bulbs (I) β Conversion β Some bulbs are lamps (I). Hence conclusion I follows. Only bulbs are competitors β All competitors are bulbs and competitors can have negative relation with anyone. Hence conclusion II follows.
Pipe βAβ and pipe βBβ can fill a cistern in 20 minutes and 10 minutes respectively. Pipe βCβ alone can empty the cistern in 12 minutes. If a...
Pipe βAβ can fill a 240-litre tank in 15 hours. If pipe βAβ is 25% more efficient than pipe βCβ whereas pipe βBβ is 50% more efficient t...
Two pipes, X and Y, can individually fill a tank in 50 minutes and 25 minutes respectively. If both pipes are opened simultaneously, after how much time...
Pipe L can empty the tank which is 45% filled in 9 hours. The time taken by pipe K and J together to fill an empty tank completely in 7.5 hours. Pipe J ...
Pipe βMβ and pipe βNβ can fill a tank alone in 20 hours and 40 hours, respectively. If both pipes are opened together and pipe βMβ is close...
Tap P can fill the tank in 5 hours and Tap Q can empty it in 7(1/2) hours. Tap P starts filling and they opened for 1 hour each alternatively. In what t...
Pipe A can fill a tank in 12 hours, and Pipe B can fill it in 15 hours. Pipe C can empty the full tank in 20 hours. If all three pipes are opened togeth...
An inlet pipe can fill an empty tank in 40 minutes whereas an outlet pipe can empty the fully filled tank in 80 minutes. Find the time taken by both the...
Two pipes G and H can fill a cistern in 40 minutes and 50 minutes respectively. If both are opened together, after how many minutes should pipe G be shu...
A tank can be filled by pipe A in 12 hours and by pipe B in 18 hours. A waste pipe C can empty the full tank in 36 hours. If all three pipes are opened ...