Sign up now
to enroll in courses, follow best educators, interact with the community and track your progress.
6 lessons,
55m 10s
Enroll
24
Download
Combination related problems
12 plays

More
Concept of order and using combination or FCP based on that

Srijita Banerjee
B.Tech in Biotechnology\singer\loves teaching\public speaker\peer educator\Bengali

U
Unacademy user
status: celebrating new year's eve with unacademy and name rxns. by A. Sethi😄😄
A Sethi
7 months ago
Hahaha. Happy new year.
Neetu Dutt
7 months ago
wish you the same sir😊
  1. COMBINATROICS: Combinations GRE QUANTS SRIJITA BANERJEE https://unacademy.com/user/mampi


  2. Let us understand the difference between order matters and combination (order does not matter): 02


  3. Let us understand the difference between order matters and combination (order does not matter): We discussed a problem in one of the earlier video 02


  4. Let us understand the difference between order matters and combination (order does not matter): We discussed a problem in the earlier videos There are about 20 students in a class. The class teacher is going to select 3 candidates, G. Sec, President and Vice-President. In how many ways could they be selected? 02


  5. Let us understand the difference between order matters and combination (order does not matter): We discussed a problem in the earlier videos There are about 20 students in a class. The class teacher is going to select 3 candidates, G. Sec, President and Vice-President. In how many ways could they be selected? Does the order matter here? 02


  6. Let us understand the difference between order matters and combination (order does not matter): We discussed a problem in the earlier videos There are about 20 students in a class. The class teacher is going to select 3 candidates, G. Sec, President and Vice-President. In how many ways could they be selected? Does the order matter here? The basic answer would be "NO". 02


  7. Let us understand the difference between order matters and combination (order does not matter): We discussed a problem in the earlier videos There are about 20 students in a class. The class teacher is going to select 3 candidates; G. Sec, President and Vice-President. In how many ways could they be selected? Does the order matter here? The basic answer would be "NO" Look into it carefully 02


  8. Suppose three candidates are taken out of the 10; (EF R) 02


  9. Suppose three candidates are taken out of the 10; (EF R) E- President; F- Vice-president and R- General Secretary 02


  10. Suppose three candidates are taken out of the 10; (EF R) E- President; F- Vice-president and R- General Secretary This is one team. 02


  11. An inventory of coins contains 100 different coins. Quantity A QuantityB The number of possible collec The number of possible collec- tions of 56 coins that can be ons of 44 coins that can be selected (the order of the coins selected (the order of the coins does not matter) does not matter) Quantity A: 100C56 Quantity B: 100C44 02