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Time taken by A alone to complete the entire work = 21/0.7 = 30 days Time taken by B alone to complete the entire work = 30 + 15 = 45 days Let the total work = L.C.M of 30, 45 and 20 = 180 units Then, efficiency of B = (180/45) = 4 units/day Combined efficiency of B and C = (180/20) = 9 units/day So, efficiency of C alone = 9 – 4 = 5 units/day So, time taken by C alone to complete the entire work = (180/5) = 36 days
Statements:
Some font is marker.
All marker is letter.
No letter is design.
Every design is review.
Conclusions:
...Statements:
Only a few Outlet are Showroom.
Few Showroom are Shop.
All Shop are Mart.
Conclusion:
I. All Mart are Out...
Statements: All pearls are diamonds.
All diamonds are gold
All gold are silvers.
Conclusions: I. All pearls are silvers.
...
Statements:
Only a few player is team
Only a few team is sport
No sport is game
Conclusions:
I. All team can be playe...
Statements:No strategy is a motivation.
All motivations are training.
Conclusions:I. Some strategies are trainings.
II. Some traini...
Statements:
Only a few Fried are Smoky
Mostly Smoky are Burner
Only Burner are Roaster
Conclusion:
I. All Smoky are R...
In the question below some statements are given followed by three conclusions I, II and III. You have to take the given statements to be true even if t...
Statements: Some dogs are cats.
No camel is a rat.
All cats are camels.
Conclusions: I. All dogs may be camels.
II. Some ...
Statements: Only wires are switches.
No wire is a board.
Only nuts are ...
Statements :
Only a few Toy is Game.
All Games are Players.
No Player is Sport.
Conclusion :
I. At least some Pla...