(12) पेन में से (3) पेन चुनने के कितने तरीके हैं?
How many ways are there to choose (3) pens from (12) pens?
Explanation opens after your attempt
C. (220)
Concept
The number of ways is \(\binom{12}{3}=220\). The order of pens is not considered in selection.
Why this answer is correct
The correct answer is C. (220). The number of ways is \(\binom{12}{3}=220\). The order of pens is not considered in selection.
Exam Tip
तीन पेन चुनने के तरीके \(\binom{12}{3}=220\) हैं। चयन में पेन का क्रम नहीं देखा जाता।
Login to save your score, XP, coins and progress.
