What should I prepare after boards?

So after 10th boards get over the first thing I will do to hit gym again learn guitar and some skills. But I think this is not enough for me to do. So after thinking alot I thought I should prepare for competitive exams like cat, clat cuet and gmat but I am confused what should I do. I want to escape my city and explore more in future and earn. So chat please give me advice which competitive exam l should prepare for and there are more options ( I am weak in maths) but try to make it up so please help me with it. And I am from. Commerce background.