Questions: Classification Type Question
1. In a school, there were five teachers.
A and B were teaching Hindi and English.
C and D were teaching English and Geography.
D and A were teaching Mathematics and Hindi
E and B were teaching History and French.
Who among the teachers was
teaching maximum number of subjects ?
A. A B. B
C. C D. D
Answer: B
Explanation: Above
information can be analysed as below:
|
|
English
|
Hindi
|
Mathmatics
|
Geography
|
History
|
French
|
|
A
|
X
|
X
|
X
|
|
|
|
|
B
|
X
|
X
|
|
|
X
|
X
|
|
C
|
X
|
|
|
X
|
|
|
|
D
|
|
X
|
X
|
|
|
|
|
E
|
|
|
|
|
X
|
X
|
Hence,
B teaches maximum no. of subjects , i.e
2.
In a school, there were five teachers.
A and B were teaching Hindi and English.
C and D were teaching English and Geography.
D and A were teaching Mathematics and Hindi
E and B were teaching History and French.
Which of the following pairs was teaching both
Geography and Hindi ?
A. A and B B.
B and C
C. C and A D.
None of these
Answer: D
Explanation: Above information can be analysed as below:
|
|
English
|
Hindi
|
Mathematics
|
Geography
|
History
|
French
|
|
A
|
X
|
X
|
X
|
|
|
|
|
B
|
X
|
X
|
|
X
|
X
|
X
|
|
C
|
X
|
|
|
X
|
|
|
|
D
|
|
X
|
X
|
|
|
|
|
E
|
|
|
|
|
X
|
X
|
Hence,
Only B teaches both Hindi and Geography.
3.
In a school, there were five teachers.
A and B were teaching Hindi and English.
C and D were teaching English and
Geography.
D and A were teaching Mathematics and
Hindi
E and B were teaching History and French.
More
than two teachers were teaching which subject ?
A. History B.
Hindi
C. French D.
Geography
Answer: B
Explanation: Above information can be analysed as below:
|
|
English
|
Hindi
|
Mathematics
|
Geography
|
History
|
French
|
|
A
|
X
|
X
|
X
|
|
|
|
|
B
|
X
|
X
|
|
X
|
X
|
X
|
|
C
|
X
|
|
|
X
|
|
|
|
D
|
|
X
|
X
|
|
|
|
|
E
|
|
|
|
|
X
|
X
|
Hence,
Three teachers were teaching Hindi -- A, B and C.
4. In a
school, there were five teachers.
A and B were teaching Hindi and English.
C and D were teaching English and Geography.
D and A were teaching Mathematics and Hindi
E and B were teaching History and French.
Who among the teachers was teaching
less than two subjects ?
A. A B.
B
C. D D.
Data inadequate E. There is no such
teachers
Answer: E
Explanation: Above information can be analysed as below:
|
|
English
|
Hindi
|
Mathmatics
|
Geography
|
History
|
French
|
|
A
|
X
|
X
|
X
|
|
|
|
|
B
|
X
|
X
|
|
X
|
X
|
X
|
|
C
|
X
|
|
|
X
|
|
|
|
D
|
|
X
|
X
|
|
|
|
|
E
|
|
|
|
|
X
|
X
|
Hence, None
of the teachers was teaching less than two subjects.
5. Madhu
and Shobha are good in Dramatics and Computer Science.
Anjali and Madhu are good in Computer
Science and Physics.
Anjali, Poonam and Nisha are good in
Physics and Mathematics.
Poonam and Shobha are good in History and
Dramatics.
Who
is good in Computer Science, History and Dramatics ?
A. Anjali B.
Madhu
C. Shobha D.
Nisha
Answer: C
Explanation: The given information can be
analysed as under :
|
|
Dramatics
|
Computer Sc.
|
Physics
|
History
|
Mathematics
|
|
Madhu
|
X
|
X
|
X
|
|
|
|
Shobha
|
X
|
X
|
|
X
|
|
|
Anjali
|
|
X
|
X
|
X
|
X
|
|
Poonam
|
X
|
|
X
|
X
|
|
|
Nisha
|
|
|
X
|
X
|
X
|
Shobha is good in Computer Science,
History, and Dramatics.
6. Four
youngmen Raj, Prem, Ved and Ashok are friendly with four girls Sushma, Kushum,
Vimla and Poonam.
Sushma and Vimla are friends.
Ved's girl friend does not like Sushma and
Vimla.
Kusum does not care for Ved.
Prem's girl friend is friendly with Sushma.
Sushma does not like Raj.
With
whom is Sushma friendly ?
A. Raj
B.
Prem
C. Ved
D.
Ashok
Answer: D
Explanation:
Sushma and Vimla are friends and Prem's
girl friend is friendly with Sushma. This means that Prem's girl friend is
Vimla.
Ved's girl friend does not like Sushma and
Vimal. So, she is either Kusum or Poonam. But Kusum does not care for Ved.
So, Ved's girl friend is Poonam.
Sushma
does not like Raj. So, Raj's girl friend is Kusum.
Clearly,
Ashok's girl friend is Sushma.
Sushma
is friendly with Ashok.
7. (i) Kailash, Godvind and Harinder are
intelligent.
(ii) Kailash, Rajesh and Jitendra are
hard-working.
(iii) Rajesh,Harinder and Jitendra are
honest.
(iv) Kailash, Govind and Jitendra are
ambitious.
Which
of the followining persons is neither hard-working nor ambitious ?
A. Kailash B.
Govind
C. Harinder D.
Rajesh
Answer: C
Explanation: We may prepare a table as under :
|
|
Intelligent
|
Hard-working
|
Honest
|
Ambitious
|
|
Kailash
|
X
|
X
|
|
X
|
|
Govind
|
X
|
|
|
X
|
|
Harinder
|
X
|
|
X
|
|
|
Rajesh
|
|
X
|
X
|
|
|
Jitendra
|
|
X
|
X
|
X
|
Harinder is neither hard-working nor
ambitious.
8. Ravi is
not wearing white and Ajay is not wearing blue.
Ravi and Sohan wear different colours.
Sachin alone wear red.
What
is Sohan's colour, if all four of them are wearing different colours ?
A. Red
B. Blue
C. White D. Can't say
Answer: D
Explanation: The fourth colour and some more information
are required.
9. On a
shelf are placed six volumes side-by-side labelled A, B, C, D, E and F.
B, C, E, F have green covers while others
have yellow covers.
A, D, B are new volumes while the rest are
old volumes.
A, C, B are law reports while the rest are
medical extracts.
Which
two volumes are old medical extracts and have green covers ?
A. B,C
B.
C, D
C. C, E D.
E, F
Answer: D
Explanation:
|
|
Green
Cover
|
Yellow
Cover
|
New
Volume
|
Old Volume
|
Law
Reports
|
Medical
Extracts
|
|
A
|
|
X
|
X
|
|
X
|
|
|
B
|
X
|
|
X
|
|
X
|
|
|
C
|
X
|
|
|
X
|
X
|
|
|
D
|
|
X
|
X
|
|
|
X
|
|
E
|
X
|
|
|
X
|
|
X
|
|
F
|
X
|
|
|
X
|
|
X
|
Clearly, E and F are old volumes which
have green covers and are medical extracts.
10. Six
students A, B, C, D, E and F are sitting in the field.
A and B are form Nehru House while the
rest belong to Ghandhi House.
D and F are tall while the others are
short. A, C and D are wearing glasses while the others are not.
Which
two students, who are not wearing glasses are short ?
A. A and F B.
C and E
C. B and E D.
E and F
Answer: C
Explanation: We may prepare a table as under :
|
|
Nehru
House
|
Ghandi
House
|
Tall
|
Short
|
Glasses
|
No glasses
|
|
A
|
X
|
|
|
X
|
X
|
|
|
B
|
X
|
|
|
X
|
|
X
|
|
C
|
|
X
|
|
|
X
|
|
|
D
|
|
X
|
X
|
|
X
|
|
|
E
|
|
X
|
|
X
|
|
X
|
|
F
|
|
X
|
X
|
|
|
X
|
B and E are short and not wearing
glasses.
11. Six
students A, B, C, D, E and F are sitting in the field.
A and B are form Nehru House while the
rest belong to Ghandhi House.
D and F are tall while the others are
short.
A, C and D are wearing glasses while the
others are not.
Which
tall student of Gandhi House is not wearing glasses ?
A. B
B.
C
C. E
D.
F
Answer: D
Explanation: We may prepare a table as
under :
|
|
Nehru
House
|
Ghandi
House
|
Tall
|
Short
|
Glasses
|
No glasses
|
|
A
|
X
|
|
|
X
|
X
|
|
|
B
|
X
|
|
|
X
|
|
X
|
|
C
|
|
X
|
|
|
X
|
|
|
D
|
|
X
|
X
|
|
X
|
|
|
E
|
|
X
|
|
X
|
|
X
|
|
F
|
|
X
|
X
|
|
|
X
|
F belongs to Gandhi House, is tall and
is not wearing glasses.
12. There
are six cities A, B, C ,D, E and F.
A is not a hill station.
B and E are not historical places.
D is not an industrial city.
A and D are not historical cities.
A and B are not alike.
Which
two cities are industrial centres?
A. A and B B.
E and F
C. C and D D. B and F
Answer: B
Explanation: The given information can
be analysed as follows :
|
|
A
|
B
|
C
|
D
|
E
|
F
|
|
Historical
|
x
|
x
|
√
|
x
|
x
|
√
|
|
Industrial
|
√
|
x
|
√
|
x
|
√
|
√
|
|
Hill
Stations
|
x
|
√
|
√
|
√
|
√
|
√
|
Since A and B are not alike and
because A is industrial, B cannot be industrial but only a hill station.
So, we put a cross for B across
industrial.
Clearly, A, C, E, and F are
industrial centres, So, the answer is (b).
13. There
are six cities A, B, C ,D, E and F.
A is not a hill station.
B and E are not historical places.
D is not an industrial city.
A and D are not historical cities.
A and B are not alike.
Which
two cities are hill stations?
A. A and B B.
C and A
C. B and D D.
A and F
Answer: C
Explanation :The given information can
be analysed as follows :
|
|
A
|
B
|
C
|
D
|
E
|
F
|
|
Historical
|
x
|
x
|
√
|
x
|
x
|
√
|
|
Industrial
|
√
|
x
|
√
|
x
|
√
|
√
|
|
Hill
Stations
|
x
|
√
|
√
|
√
|
√
|
√
|
Since A and B
are not alike and because A is industrial, B cannot be industrial but only a
hill station.
So, we put a
cross for B across industrial.
Clearly, B, C, D, E and F are Hill station. So, the
answer (c).
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