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Let the total work = 200 units Then, efficiency of ‘A’ = (200/50) = 4 units/hour Work completed by ‘A’ alone in 20 hours = 4 × 20 = 80 units Remaining work = 200 – 80 = 120 units So, efficiency of ‘B’ = 120/10 = 12 units/hour Therefore, combined efficiency of ‘A’ and ‘B’ = 12 + 4 = 16 units/hour So, time taken by ‘A’ and ‘B’ together to complete the work = (200/16) = 12.5 hours
Statements:All savings are currents.
Some fixed are currents.
Some recurring are fixed.
Conclusions:I. Some recurring are currents....
Statements:
All Tool are Application.
No Application is Word.
Some Word are Menu.
Conclusions:
I. No Tool is Menu.
Statements:
Some bats are balls
All balls are stumps
Conclusions:
I. Some stumps are bats
II. Some bats...
Statements:
Only pens are pencil
Some pens are copy
Only copies are book
Conclusion:
I. Some pencils...
Statements:
Only a few A are B.
No B is C.
All C are Z.
Conclusions:
I. Some A can be B.
II. Some C ...
Statement:
Only Earth is Sun
Some Earth is Moon
Conclusion:
I. All Earth are Moon is a possibility
II . A...
Statements:
All pen drives are tablets.
All tablets are cellphones.
Conclusions:
I. At least Some cell phones are pend...
Statements: Some cups are plates.
No plate is a glass.
Conclusions: I. Some glasses are cups.
II. No glass is a cup.
...Statements: All cloves are cardamoms.
All cardamoms are cumins.
Some cumins are corianders.
In the following question, three statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if...
