A system contains 10 units of resource of same type. The resource requirement and current allocation of these resources for three processes P, Q and R are as follows: PQRMaximum requirement875Current allocation413Now, consider the following resource requests:(i) P makes a request for 2 resource units.(ii) Q makes request for 2 resources units.(iii) R makes a request of 2 resource units.For a safe state, which of the following options must be satisfied?

A system contains 10 units of resource of same type. The resource requ

1.	A system contains 10 units of resource of same type. The resource requirement and current allocation of these resources for three processes P, Q and R are as follows: PQRMaximum requirement875Current allocation413Now, consider the following resource requests:(i) P makes a request for 2 resource units.(ii) Q makes request for 2 resources units.(iii) R makes a request of 2 resource units.For a safe state, which of the following options must be satisfied?
A.	Only request (i)
B.	Only request (ii)
C.	Only request (iii)
D.	Request (i) and (ii)
Answer» D. Request (i) and (ii)