(11) प्रश्नों में से (2) प्रश्न छोड़ने के कितने तरीके हैं?
In how many ways can (2) questions be left out from (11) questions?
Explanation opens after your attempt
B. (55)
Concept
We need to choose (2) questions to leave out. Hence there are \(\binom{11}{2}=55\) ways.
Why this answer is correct
The correct answer is B. (55). We need to choose (2) questions to leave out. Hence there are \(\binom{11}{2}=55\) ways.
Exam Tip
छोड़ने के लिए (2) प्रश्न चुनने हैं। इसलिए \(\binom{11}{2}=55\) तरीके हैं।
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