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Each of P, Q, R, S, T, U and V has an exam on a different day of a week starting from Monday and ending on Sunday of the same week. S's exam is immediately before R. Only three people have exams between U and Q. Q's exam is immediately before S. Only two people have exams between S and V. P's exam is on Tuesday. R's exam is on Sunday. Who among the following has exam on Monday?

AU

BT

CV

DQ

Answer:

A. U

Read Explanation:

Solution:

Given: 

Each of P, Q, R, S, T, U and V has an exam on a different day of a week starting from Monday and ending on Sunday of the same week. 

solution:

(1) P's exam is on Tuesday.

(2) R's exam is on Sunday. 

image.png

(3) S's exam is immediately before R.

(4) Q's exam is immediately before S.


image.png

(5) Only two people have exams between S and V. (5) Only two people have exams between S and V. 

image.png

(6) Only three people have exams between U and Q

image.png

(7) Now, T has exam on Thursday.

image.png

Hence, 'U' has exam on Monday.

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