Join ExamsbookAnswer : 4. "125"
There are 3 sections with 5 questions each. If four questions are selected from each section, the chance of getting different questions is ?5
Q: There are 3 sections with 5 questions each. If four questions are selected from each section, the chance of getting different questions is ?
- 11000false
- 2625false
- 3525false
- 4125true
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Answer : 4. "125"
Explanation :
Answer: D) 125 Explanation: Methods for selecting 4 questions out of 5 in the first section = 5 x 4 x 3 x 2 x 1/4 x 3 x 2 x 1 = 5. Similarly for other 2 sections also i.e 5 and 5 So total methods = 5 x 5 x 5 = 125.