Which of the following symbols should be placed in the blank spaces respectively (in the same order from left to right) in order to complete the given expression in such a manner that “P ≥ R” definitely holds True?
P__Q __S, R __Q1
≤, ≤, =
2
=, <, ≤
3
>, ≥, =
4
≥, =, >
5
None of these