A’ and ‘B’ together can complete a work in 15 days while ‘A’ takes 20 days to complete the same work alone. If ‘C’ is 50% more efficient than ‘B’, then find the time taken by ‘C’ alone to complete the whole work.
Let the total work = 60 units Efficiency of (A + B) = 60/15 = 4 units/day Efficiency of ‘A’ = 60/20 = 3 units/day Therefore, efficiency of ‘B’ = 4 – 3 = 1 unit/day Efficiency of ‘C’ = 1.5 × 1 = 1.5 units/day Required time taken = 60/1.5 = 40 days
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 ...
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All Time are Clock.
Only a few Time is Minute
All Minute are Second.
Conclusions:
I. Some Cloc...
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All Beaks are Wings.
Only a few Wings are Cock.
Some Cock are not Hens.
Conclusions :
I. Some Beak...
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No cow is ox.
...
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Only a few Test is Attempt.
No Solution is Test.
Some Question is Attempt.
Conclusions:
I. All Test being...
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Only a few Cloud are Rain.
Some Rain are Rainbow.
Only Rainbow are Sky .
No rain is a Universe.
Conclusio...
Some diaries are not pencils. All notebooks are papers. Some diaries are not notebooks
Statements:
Some Beginner are Pilot.
No Pilot is a Performer.
Some Performer are Experienced.
Conclusion:
I. All Begi...
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Only a few Balloon are String.
All Balloon are Colour.
Only a few Strings are Scales.
All Scales are ...
