How many members are required to make successful a no confidence motion against prime minister?

How many members are required to make successful a no confidence motion against prime minister?

وزیراعظم کے خلاف تحریک عدم اعتماد کامیاب کرنے کے لیے کتنے ارکان کی ضرورت ھوتی ہے؟
Explanation

For a no-confidence motion to be successful, the support of a simple majority — 172 of the total 342 members — in the lower house of parliament is required.