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Permutations and combinations -1
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Manish Kane
BE (SGSITS , Indore) PGDM. ( XLRI Jamshedpur) My companies: www.myprepq.com, www.mendyourgk.com

U
Unacademy user
thnk u so much sir for again a wonderful courses..📖👍👍👍
  1. P&C-1 Fundamental Principle of counting


  2. About the Course!! . Fundamental Principle of counting-1 &2 . Factorials and basics of NCR and NPR . Basic Questions on Arrangements-1,2,3- Basic Questions, Arrangement of Letters, digits and people . Combinations- selections from


  3. Agenda Fundamental principle of counting


  4. Fundamental principle of counting If -Task-1 If -Task-2 X1 -x2 If -Task-3x3 If -Task-4 x4 Number of ways in which all tasks can be accomplished


  5. Fundamental principle of counting If -Task-1 If -Task-2 X1 -x2 If -Task-3x3 If-Task-4 x4 Number of ways in which one task can be accomplished x1 x2 x3 + X4


  6. A boy wants to travel from Bhopal to Delhi. He must travel via Agra. If there are three routes from Bhopal to Agra and 5 routes from Agra. How many routes are there from Bhopal to Delhi? 3 Bhopal Agra VC Task 1 Task 2 5-15


  7. A boy wants to travel from Bhopal to Delhi. He must travel via Agra or via jaipur. If there are five routes from Bhopal to Delhi via Agra and if there are 4 routes from Bhopal to Delhi Via Jaipur, In how many ways can the boy reach Delhi from Bhopal? Task 1 Delhi 3 Agra Or Jaipur Bhopal 3 Task 2 Delhi 5 Bhopal -15


  8. A class must elect two representatives: one girl and one boy. If there are 12 boys and 15 girls, In how many ways the team of representative will be chosen? Task-1 Task-2 Girl Boy 12 15180


  9. A class must elect one representative for the class.If there are 12 boys and 15 girls, In how many ways the team of representative will be chosen? Task-1 Boy or Girl 12 1527


  10. A Boy has to choose a meal from a meal combo offer. He has to choose a beverage, a type of burger and a sweet. On reaching the counter he is offered 4 choices of beverages, 5 choices of burgers and 3 choices of sweets. How many different combinations does he have to choose from? Task-1 Task-2 Task-2 Beverage Burger Sweet 4 5 x 360


  11. Rati has to purchase one book on Maths, One on Physics and one on chemistry for her exams. The shopkeeper shows her 5 books of Maths, 6 of Physics and 8 books of chemistry. In how many ways can she choose a set of books? Task-1 Task-2 Task-3 Math Phy Chem -240