Kya 30% Syllabus Reduce Hua H?

Big Change In NCERT | Physics Syllabus Reduced

The length of a rectangle is reduced by 30%. By what percent would the width have to be increased to maintain the original area?

If a number is increased by 30% and then decreased by 30% , the net increase decrease percentage will be :

Kiran's salary was first incrased by 30% and then decreased by 30%. If the latest salary is Rs. 2275. then what was the original salary of Kiran?

The percentage change in the time period of a second pendulum when its amplitude is reduced by 30% is (assume theta is very small)