- At 24:40 why taking t5 as 4 and t6 as 3....why we cannot select as 4C2 ways for selecting 2 places for 5 and 6
- Calculation of 6C4 seems to be wrong?
- When you said in 1st question that a(n) is const so a(n-1) a(n-2) should also be const then in ques how a0=10 and a1=35
- About contradiction checks
- Some boys in the class are taller than all the girls