Einstein Puzzle CAT Questions PDF

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Einstein Puzzle CAT Questions PDF
Einstein Puzzle CAT Questions PDF

Einstein puzzle is the most important topic in CAT, Banking and other exams for the section of logical reasoning. This Einstein’s riddle/puzzle grid comes under arrangement type questions.

How to solve Einstein Riddle or Puzzle questions:

  • Read the instructions carefully and analyse the problem
  • Decide which type of approach is needed (horizontal/tabular/circular)
  • Fill the most clarified data
  • From the cases for the unknown data
  • Cancel all the cases that go against given rules/instructions
  • Finally fill the data with the cases that are correct.

We have given one solved Einstein puzzle from the CAT previous papers. Try to solve it on your own and also read the detailed explanations and answers given below it.

Einstein Puzzle CAT Questions with solutions PDF:

Download Einstein puzzles for CAT PDF

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Instructions:

Seven students stay in a 7-storeyed building, one student on each floor. Each student studies a different subject and has a different ID. The following information is known:

Sachin lives on the first floor.
The person on the third floor has ID 20.
The first floor guy studies Maths.
Anil studies Chemistry.
Sehwag lives on the 3rd floor.
The person with ID 40 and Sehwag live on consecutive floors.
The person who studies Maths has ID 10.
The person with ID 20 studies Physics.
The person on the second floor has ID 30.
Laxman lives on the seventh floor.
Rahul has ID number 70.
Saurav studies Biology.
Srinath has ID number 50.
Saurav lives on the second floor.
The person with ID number 60 lives on the seventh floor.
Laxman studies Geography.
The person with ID 50 lives on the 6th floor.
The person with ID 30 studies Biology.
The person with ID 70 studies History.
Srinath studies English.
The person with ID 40 studies Chemistry.
The person who studies History lives on the 5th floor.
Anil lives on the 4th floor.

 

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Question 1:

Which of the following is a right combination of name-subject-ID?

a) Anil – Chemistry – 30

b) Sachin – Maths – 10

c) Laxman – History – 60

d) Srinath – English – 20

Question 2:

Which of the following is definitely true?

a) The person who studies Physics has the second least ID.

b) The person studying Geography lives on the highest floor.

c) Saurav studies Chemistry.

d) Two of the above.

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Question 3:

If the last condition is removed, which of the following can be said for sure?

a) Rahul studies History and lives on the 5th floor.

b) Sehwag studies Physics and has ID 20.

c) Anil lives on the 4th floor and studies Chemistry.

d) All of the above.

Question 4:

What is the sum of IDs of the persons living on the 2nd and 6th floors?

a) 30

b) 70

c) 80

d) 100


Question 5:

Find the ratio of sum of IDs of all the persons whose name starts with ‘S’ to the IDs of remaining persons.

a) 9:11

b) 11:9

c) 17:11

d) 11:17

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Solutions:

1) Answer (b)

The arrangement, irrespective of whether the last condition is given or not is as follows:

Sachin 1st Maths 10
Sehwag 3rd Physics 20
Anil 4th Chemistry 40
Saurav 2nd Biology 30
Laxman 7th Geography 60
Rahul 5th History 70
Srinath 6th English 50
The right combination from the options is b).

2) Answer (d)

The arrangement, irrespective of whether the last condition is given or not is as follows:
Sachin 1st Maths 10
Sehwag 3rd Physics 20
Anil 4th Chemistry 40
Saurav 2nd Biology 30
Laxman 7th Geography 60
Rahul 5th History 70
Srinath 6th English 50
a) and b) are true statements.

3) Answer (D)

The arrangement, irrespective of whether the last condition is given or not is as follows:
Sachin 1st Maths 10
Sehwag 3rd Physics 20
Anil 4th Chemistry 40
Saurav 2nd Biology 30
Laxman 7th Geography 60
Rahul 5th History 70
Srinath 6th English 50
Irrespective of the last condition, the entire table can be obtained. Therefore, all the 3 statements can be inferred

4) Answer (C)

Sachin 1st Maths 10
Saurav 2nd Biology 30
Sehwag 3rd Physics 20
Anil 4th Chemistry 40
Srinath 6th English 50
Laxman 7th Geography 60
Rahul 5th History 70
Sum of scores of persons living on 2nd and 6th floors = 30 + 50 = 80

5) Answer (D)

Sachin 1st Maths 10
Saurav 2nd Biology 30
Sehwag 3rd Physics 20
Anil 4th Chemistry 40
Srinath 6th English 50
Laxman 7th Geography 60
Rahul 5th History 70
Sum of IDs of all the persons whose name starts with ‘S’ = 10 + 30 + 20 + 50 = 110
Sum of IDs of remaining people = 40 + 60 + 70 = 170
Therefore ratio = 110 : 170 = 11 : 17

Hope you find this Einstein’s puzzle very useful to understand grid type Einstein riddles. This puzzle games are very useful for the reasoning part for many exams.

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