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Puzzle Test Questions and Answers

Important Instructions
Direction for [ Question No: 251 To 253 ] :

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. 

251.

In a cricket season, India defeated Australia twice,
West Indies defeated India twice,
Australia defeated West Indies twice,
India defeated New Zealand twice  and
West Indies defeated New Zealand twice. Which country has lost most number of times ? 

Answer: C

 Answer: C . New Zealand 
 Justification:
Australia was defeated twice by India.
India was defeated twice by West Indies.
West Indies was defeated twice by Australia.
New Zealand was defeated twice by India and twice by West Indies  i.e. 4 times  in all.

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252.

Six students A, B, C, D, E and F are sitting in the field.
A and B are from Delhi while the rest are from Bangalore.
D and F are tall while others are short.
A, C and D are girls while others are boys. Which is the tall girl from Bangalore ?

Answer: B

Justification:

 

Delhi

Bangalore

Tall

Short

Girls

Boys

A

X

 

 

X

X

 

B

X

 

 

X

 

X

C

 

X

 

X

X

 

D

 

X

X

 

X

 

E

 

X

 

X

 

X

F

 

X

X

 

 

X

 Clealry, D is the tall girl from Bangalore.

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253.

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 ?

Answer: D

Answer: D . E, F 
 

 Justification:

 

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.

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Direction for [ Question No: 254 To 258 ] :

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.

254.

Who among the teachers was teaching maximum number of subjects ?

Answer: B

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 4

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255.

Which of the following pairs was teaching both Geography and Hindi ?

Answer: E

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, only B teaches Hindi and Geography

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256.

More than two teachers were teaching which subject ?

Answer: B

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, three teachers were teaching Hindi , i.e A,B,C

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258.

Who among the teachers was teaching less than two subjects ?

Answer: E

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, none of the teacher was teaching less than 2 subjects.

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259.

Four cities P, Q, R and S are connected through one-way routes as shown in the figure. The travel time between any two connected cities is one hour. The boxes beside each city name describe the starting time of first train of the day and their frequency of operation. For example, from city P, the first trains of the day start at 8 AM with a frequency of 90 minutes to each of R and S. A person does not spend additional time at any city other than the waiting time for the next connecting train.

If the person starts from R at 7 AM and is required to visit S and return to R, what is the minimum time required?

One-way routes Q to P, P to R, P to S, R to Q, S to Q and S to R. First train and frequency: P 8 AM every 90 min, Q 5 AM every 120 min, R 7 AM every 60 min, S 8 AM every 45 min

Exam Year(s)

GATE AE - 2022,

Answer: A

The minimum time is 6 hours 30 minutes.

The routes are one-way: from R the only train goes to Q, from Q only to P, from P to R or S, and from S to Q or R. So the trip must go R, Q, P, S and back to R.

  1. Leave R at 7:00 (first train), reach Q at 8:00.
  2. Q's trains leave at 5:00, 7:00, 9:00 ..., so leave at 9:00 and reach P at 10:00.
  3. P's trains leave at 8:00, 9:30, 11:00 ..., so leave at 11:00 and reach S at 12:00.
  4. S's trains leave every 45 minutes from 8:00: ... 11:45, 12:30. Leave at 12:30 and reach R at 13:30.

From 7:00 to 13:30 is 6 hours 30 minutes. The shorter options count only the 4 hours of travel plus part of the waiting; every connection above is the first one available, so no faster trip exists.

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260.

Reshma, Kirti, Ashima and Jhanvi are students of a school. Three of them come by bus and one by car to the school. Two study in class VII, one in class VIII and one in class IX. They study Hindi, Mathematics, Social Science and Science. One is good at all the four subjects while another is weak in all of these. Reshma comes by bus to the school and is good at Mathematics only while Kirti is weak in Mathematics only and comes by car to the school. Neither of these two nor Ashima studies in Class IX. One who is good at all the subjects studies in class VIII.

Which two girls are good at Hindi ?

Exam Year(s)

CBSE Assistant Secretary - 2024,

Answer: B

The girls good at Hindi are Kirti and Ashima.

Reshma is good at Mathematics only, and Kirti is weak in Mathematics only, so neither is the girl good at all four subjects or the girl weak in all four. Those two must be Ashima and Jhanvi.

Reshma, Kirti and Ashima do not study in class IX, so Jhanvi is in class IX. The girl good at all subjects studies in class VIII, so she is not Jhanvi: she is Ashima, and Jhanvi is weak in all subjects.

Good at Hindi: Ashima (good at everything) and Kirti (good at everything except Mathematics). Reshma is good at Mathematics only, and Jhanvi is weak in all.

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