Hello aspirant,

Here are few changes which has occured :

• earlier cbse use to conduct jee mains exam, now nta is conducting the exam
• Earlier the examination was previously conducted once a year, from JEE 2020, they will be held twice a year. In January and then April.
• The number of questions to be asked in the exam has been reduced from 30 to 25, and out of the 25 questions, 20 will be multiple-choice, and 5 will be numerical questions.
• B.Planning exam will be held separately for the first time.

I'll request you to please visit the given link to get the complete details on jee main 2020 exam pattern:

https://engineering.careers360.com/articles/jee-main-exam-pattern