There's no actual limit. So long as the person concerned remains the leader of the elected party, they are entitled to hold the office of Prime Minister.
Some additional information:
There is no "entitlement" to the leader of the elected party becoming Prime Minister.
After a general election, the appointment of a Prime Minister is the prerogative of the Sovereign.
In appointing a Prime Minister, the Sovereign is guided by constitutional conventions. The main requirement is to find someone who can command the confidence of the House of Commons.
This is normally secured by appointing the leader of the party with an overall majority of seats in the Commons, but there could still be exceptional circumstances when The Queen might need to exercise discretion to ensure that her Government is carried on. ie she could appoint anyone she likes.
after her predecessors death, she came out of retirement in 1969 and served as prime minister until 1974.
There has been one female prime minister - Margaret Thatcher.
In Russia, the Prime Minister isn't elected and does not serve a specific term length. He or she is appointed by the President and can be let go any time the President chooses. If a new president is elected, then the Prime Minister must resign, and a new Prime Minister will be appointed by the new President.
He served as Prime Minister from 01/01/1901 to 24/09/1903 - a total of 996 days
4 years and 10 months
as many no of times he is elected as the leader of majority party(or head of a coalition)
Lord North
The Prime Minister's party, or parties which are allied with the Prime Minister, have to have a majority, otherwise the Prime Minister can be removed from office.
There is a Biography and many other books about Mrs. Thatcher , but I do not fully understand the question. Yes, she is the first Female Prime Minister of Britain and yes she has a biography.
None. However, Tony Blair became a Roman Catholic a few months after resigning as Prime Minister.
There are many countries in the world that have a prime minister. For example, there is the United Kingdom, who has a conservative prime minister as of 2014.
Members of the Senate of Canada are appointed by the Governor General (the Queen's representative) on the advice of the prime minister. Senators serve until they reach the age of seventy-five. If they leave the Senate early, they can be re-appointed as many times as the prime minister recommends, and resign at the age of seventy-five.