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Important Examples (Part I)
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Sachin Rana is teaching live on Unacademy Plus

Sachin Rana
IVth Year UG, IIT Bombay | YouTuber (150k subs) | No. 1 educator for Organic Chemistry.

U
Unacademy user
provide same for percentage chapters
DB
sir please teach the concept of arrangement, divison, and distribution. some more tips to solve.
14 vacant seats ,therefore 15 gaps are there so answer = 15P10
Number of ways of filling the vacant seats: 15C10=3003 Number of ways they can take the seats : (10!)15C10.
Aditya Singh
a year ago
n=5; r=11,🤔🤔🤔🤔
I had done the question using the same way as sir has explained in the next video using gaping method from there only you are going to get these values.
It will be quite lengthy if I try to explain here.. 😅
Aditya Singh
a year ago
okkk leave
Aditya Singh
a year ago
,😎😎
Aditya Singh
a year ago
nice dp 😍😍
what's the point of hw question when you just skip to the next video to blindly copy the solution. Anyway, you do you.
Abantika Karmakar
10 months ago
I solve all the questions before the next video gets published... so just make sure from the next time you have full information before commenting on others.
Good for you if that's true, no need to get butthurt. Cheers.
for the second question, why is 5C3*7C3*6C2 wrong ??
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