Question Details

Directions (67-69) : Study the following information carefully and answer the questions given  below:
Six persons sit around a circular table but not necessarily in the same order. Three of them face inside while rest three face outside the centre. All of them get different marks in an examination viz. 16, 18, 20, 25, 27 and 36 but not in the same order as given.


T sits second to the right of O and gets the marks which is a cube of a number. One person sits between T and X who faces the same direction as O. The one who gets double the marks of O is an immediate neighbour of T. L sits second to the right of R who gets 7 marks less than T. L does not get the highest marks. R and O face opposite directions. Immediate neighbours of R facing the same direction. K is not an immediate neighbour of X. The one who gets 16 marks sits second to the right of T but immediate left of the one who gets 25 marks. R doesn’t face inside


What is the difference between the marks got by X and O?

Options

A

7

B

4

C

5

D

2

E

None of these

Show Answer

Correct Answer :

Option D

2

Solution :

The correct answer is 2 (Option 4).


Step-by-step Explanation:

1. Determine the marks of each person from the given statements:
• Total available marks: 16, 18, 20, 25, 27, 36.
T's marks: T gets marks which is a cube of a number. Among the given options, 33=27. So, T = 27.
R's marks: R gets 7 marks less than T.

R=277=20

O's marks: "The one who gets double the marks of O is an immediate neighbour of T." The only mark in the list that is double another listed mark is 36 (18×2=36). Hence, O = 18, and one neighbor of T has 36 marks.
X's marks: "The one who gets 16 marks sits second to the right of T." Since T faces Inside, second to the right of T is X. Therefore, X = 16.
L's and K's marks: The remaining marks are 25 and 36. Since L does not get the highest marks (36), L = 25 and K = 36.

2. Summary of marks obtained:
• Marks of O = 18
• Marks of X = 16

3. Calculate the difference:

Difference=1816=2

Thus, the difference between the marks obtained by X and O is 2.

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