ExamBro
ExamBro
MHT CET · Maths · Permutation Combination

If a question paper consists of 11 questions divided into two section I and II. Section I consist of 6 questions and section II consists of 5 question, then the number of different ways can student select 6 questions, taking at least 2 questions from each section, is

  1. A 350
  2. B 225
  3. C 275
  4. D 425
Verified Solution

Answer & Solution

Correct Answer

(D) 425

Step-by-step Solution

Detailed explanation

\(\text {Section-I}\)\(\text {Section-II}\)\(\text {No. of ways}\)
24\(^6 C_2 \times{ }^5 C_4=15 \times 5=75\)
33\(^6 C_3 \times{ }^5 C_3=20 \times 10=200\)
42\(^6 C_4 \times{ }^5 C_2=15 \times 10=150\)
\(\text {Total}=425\)