Permutation and Combination Online Quizzes - Section 9

1. How many 5 digit cell phone numbers with pairwise distinct digits can be composed ?






2. How many greeting cards can be purchased by chain of 12 friends on the eve of Diwali festival if each sends a card to each other ?






3. A gentleman has got 6 sorts of note papers, 7 different ink-stands and 4 different pens. In how many ways can he begin to write a letter ?






4. There are 5 ways from A to B and 3 from B to C, How many ways are there from A to C via B ?






5. In a crossword puzzle there are 2 solutions to each of the 3 given places and 3 solutions to 1 other place. How many different solutions can be set in ?






6. How many words can be formed from the letters of the word GLOBE ?






7. Find the number of Triangles formed by joining the angular points of a polygon of 9 sides ?






8. In how many different ways can the letters of the word Auction can be arranged in such a way that the vowels always come together ?”,






9. In an examination there are 3 multiple choice questions and each question has 4 choices. The number of ways in which a student can fail to get all answers correct is ?






10. A boy has nine trousers and 12 shirts. In how many different ways can he select a trouser and a shirt?






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