Some rulers of the Slave dynasty are given below:
P: Razia Sultan
Q: Iltutmish
R: Qutub-ud-din Aibak
S: Ghiyasuddin Balban
T: Masud Shah
Arrange them according to their reign of rule from first to last.
1
R → Q → P → T → S
2
S → T→ R → Q → P
3
Q → R → P → S → T
4
P → R → Q → T→ S