Profit percentage Quant puzzle

By selling an article what is the profit percent gained?

I. 5% discount is given on list price.

II. If discount is not given, 20% profit is gained.

III.The cost price of the articles is Rs. 5000.

A. Only I and II              B. Only II and III
C. Only I and III              D. All I, II and III
E. None of these

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8 men&14 women

8 men and 14 women are working together in a field. After working for 3 days, 5 men and 8 women leave the work. How many more days will be required to complete the work?

I. 19 men and 12 women together can complete the work in 18 days.

II. 16 men can complete two-third of the work in 16 days.

III. In 1 day, the work done by three men in equal to the work done by four women.

A. I only
B. II only
C. III only
D. I or II or III
E. II or III only

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Candles&Machines Quant Puzzle

How long will Machine Y, working alone, take to produce x candles?

I. Machine X produces x candles in 5 minutes.
II.Machine X and Machine Y working at the same time produce x candles in 2 minutes.

A. I alone sufficient while II alone not sufficient to answer
B. II alone sufficient while I alone not sufficient to answer
C. Either I or II alone sufficient to answer
D. Both I and II are not sufficient to answer
E. Both I and II are necessary to answer

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At what time train will reach-Data Sufficiency

At what time will the train reach city X from city Y?

I. The train crosses another train of equal length of 200 metres and running in opposite directions in 15 seconds.
II. The train leaves city Y and 7.15 a.m. for city X situated at a distance of 558 km.
III. The 200 metres long train crosses a signal pole in 10 seconds.

A.  I only
B.  II only
C.  III only
D.  II and III only
E.  All I, II and III are required.

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Time&Work Data Sufficiency

A and B together can complete a task in 7 days. B alone can do it in 20 days. What part of the work was carried out by A?

I. A completed the job alone after A and B worked together for 5 days.
II. Part of the work done by A could have been done by B and C together in 6 days.

A.  I alone sufficient while II alone not sufficient to answer
B.  II alone sufficient while I alone not sufficient to answer
C.  Either I or II alone sufficient to answer
D.  Both I and II are not sufficient to answer
E.  Both I and II are necessary to answer.

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Math Pblm on trains-Data Sufficiency

What is the speed of the train whose length is 210 metres?

I. The train crosses another train (Prasanthi Express/12869) of 300 metres length running in opposite direction in 10 seconds.
II. The train crosses another train (Prasanthi Express/12869) running in the same direction at the speed of 60 km/hr in 30 seconds.


A.  I alone sufficient while II alone not sufficient to answer
B.  II alone sufficient while I alone not sufficient to answer
C.  Either I or II alone sufficient to answer
D.  Both I and II are not sufficient to answer
E.  Both I and II are necessary to answer

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females in a family

A, B, C, D and E are members of the same family. 

• There are two father, two sons, two wives, three males and two females. 
• The teacher is the wife of a lawyer who is the son of a doctor.
•  E is not a male, neither a wife of a professional.
• C is the youngest person in the family and D is the eldest. B is a male.

Who are the females in the family?
(1) C and E 
(2) D and E 
(3) C and D 
(4) E and A 
(5) Can't be determined

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