(6) विषयों में से (4) विषय चुनने के कितने तरीके हैं?
How many ways are there to choose (4) subjects from (6) subjects?
Explanation opens after your attempt
Correct Answer
C. (15)
Concept
\(\binom{6}{4}=\binom{6}{2}=15\). Remember \(\binom{n}{r}=\binom{n}{n-r}\).
Why this answer is correct
The correct answer is C. (15). \(\binom{6}{4}=\binom{6}{2}=15\). Remember \(\binom{n}{r}=\binom{n}{n-r}\).
Exam Tip
\(\binom{6}{4}=\binom{6}{2}=15\) होता है। \(\binom{n}{r}=\binom{n}{n-r}\) याद रखें।
Login to save your score, XP, coins and progress.