There are 3 sections in a question paper & each section contains 5 questions. A candidate has to answer a total of 5 questions, choosing at least one question from each section. Then the number of ways in which the candidate can choose questions is:
Option: 1 3000
Option: 2 2250
Option: 3 2255
Option: 4 1500
Case I: 3, 1, 1
The number of ways is
Case II: 2, 2, 1
The number of ways is
The total number of ways 2250.
Study 40% syllabus and score up to 100% marks in JEE