The Proper sequence in this example is R - Q - P - S , which is marked by (a) . Therefore , (a) is the correct answer.
`S_1` : When she was not yet an adult, Mother Teresa knew that she had a vocation to help the poor.
`S_6` : She received permission for this after two years.
P : At the age of 18, she left her home to become a nun.
Q : There she taught at a convent high school and became its Principal.
R : She felt she must leave the job and go into slums to serve the poor.
S : After training at Dublin, she was sent to Calcutta where she took her final vows.
The proper sequence should be

Options

A. `S-R-P-Q`
B. `P - Q -S-R`
C. `R-S- Q-P`
D. `P-S-Q-R`