A routing table has currently 25 entries. It does not receive information about ten routes for 181 seconds. [TCP/IP]

a) How many periodic timers are running at this time?

b) How many expiration timers are running at this time?

c) How many garbage collection timers are running at this time?

d) What is the total number of timers that are running at this time?

Please help me solve above questions. Thank You!