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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 (143k subs) | Mentored 3 under 100 ranks in JEE Advanced | No. 1 educator for Organic Chemistry

U
thanks
KUMAR AJIT
a year ago
have you watched Functions
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.
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.. 😅
a year ago
okkk leave
a year ago
,😎😎
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
8 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 ??
1. committee n how (i atmat3 50 lb) t 38 o1 -604 84 = 588 3/ 31 X

2. 25 aluolemt lo au to be chorm for an Munn, will Jn haus aludado can be chosen then, de co be csin na 22

3. Cl Total waup 504 s336 36 682 inall his an be done 210 R-1 and 5 (a) 3 (b)4 P and p- and 3 1?sf3r 20 Ta w 210

4. 0o 4. take aot m OUU tako he