Who serves as the Acting Prime Minister in the absence of Prime Minister?

وزیر اعظم کی غیر موجودگی میں قائم مقام وزیر اعظم کون ھوتا ہے؟

Speaker National Assembly

Foreign Minister

Federal Senior Minister

Chairman Senate

All of these

Senate chairman as acting president of Pakistan in absence of president

Speaker national assembly as acting Prime Minister of Pakistan in the absence of PM