Arrangement in a Ring | TOMATO B.Stat Objective 103

Try this problem from I.S.I. B.Stat Entrance Objective Problem based on Arrangement in a Ring.

Arrangement in a Ring ( B.Stat Objective Question )

The number of ways 5 persons PQRST seats in a ring so that P sits between Q and R is

Integers

Number of ways

Arrangements

Answer: 4.

B.Stat Objective Problem 103

Challenges and Thrills of Pre-College Mathematics by University Press

here SQPRT, TQPRS, SRPQT, TRPQS

are 4 arrangements in 1 way (orderwise)

number of ways =\(4 \times 1\)=4 ways.