I have attached a question.Although the answer to the question as given in the book is 9 but ny answer is coming 5 after taking into account the pressure due to air in the vessel.

Are core branches(Mechanical) in Top 3 NIT worth it ?

My rank in JEE Advanced 2022 is 1871. Should I go for IIT Guwahati ECE or IIT Kanpur Mechanical and try for a branch change to CS or Electrical Engineering? Is changing your branch very difficult?

What awaits me after jee and do you think it's worth it?

Can i sacrifice board exams for jee mains as board exams are no where valueable as cuet and other will be seen for admission

Is a student studying in IGCSE syllabus eligible for taking IOQP or IOQJS?