There is only one dictionary in a Library which will be used by 6 students P, Q, R, S, T and U, one by one. S will use it immediately after Q and before P. T will use it immediately after R and before U. R will use the dictionary after P. Who will use the dictionary the last?

There is only one dictionary in a Library which will be used by 6 students P, Q, R, S, T and U, one by one. S will use it immediately after Q and before P. T will use it immediately after R and before U. R will use the dictionary after P. Who will use the dictionary the last? Correct Answer U

1) There are 6 students who will use a dictionary.

2) S will use it immediately after Q and before P.

 

Case 1

Case 2

Sl. No.

Name of persons

Name of persons

1

Q

 

2

S

 

3

P

 

4

 

Q

5

 

S

6

 

P

 

3) T will use it immediately after R and before U.

 

Case 1

Case 2

Sl. No.

Name of persons

Name of persons

1

Q

R

2

S

T

3

P

U

4

R

Q

5

T

S

6

U

P


4) R will use the dictionary after P. (From this statement Case 2 is eliminated)

The final arrangement will be,

Sl. No.

Name of persons

1

Q

2

S

3

P

4

R

5

T

6

U

 

Hence, U will use the dictionary at the last.

Related Questions

Each question below is followed by two statements I and II. You have to determine whether the data given in the statements are sufficient for answering the question. You should use the data and your knowledge of Mathematics to choose the best possible answer. What is the average weight of new students added? I. In a class 60% students are male and there average weight is 15 kg more than the female students, 9 males and 6 new female students joined the class and the average weight of the class increased by 0.84 II. Total male students in the class is 12 more than female students adding 9 male students to the class increases the average weight of male students by 1 kg and adding 6 female students increases the average weight of female students by 0.6.