Basic Concepts of Permutations and Combinations Exercise 5C Solutions CA maths chapter 5
CA foundation maths solutions Chapter 5 Basic Concepts of Permutations and Combinations Exercise 5C are given.
You should study the textbook lesson Basic Concepts of Permutations and Combinations very well.
You must practice all example Problems and solutions which are given in the textbook.
You can observe the solutions and try them in your own way.
Basic Concepts of Permutations and Combinations
CA maths solutions Exercise 5C chapter 5 Basic Concepts of Permutations and Combinations
CA foundation maths solutions
Chaper 5
Basic Concepts of Permutations and Combinations
Exercise 5C
5. A person has 8 friends. The number of ways in which he may invite one or more of them to a dinner is
6. The number of ways in which a person can chose one or more of the four electrical appliances; TV, Refrigerator, Washing Machine and a cooler is
8. Out of 7 gents and 4 ladies a committee of 5 is to be formed. The number of committees such that each committee includes at least one lady is
10. The number of diagonals in a decagon is
11. There are 12 points in a plane of which 5 are colinear. The number of triangles is
12. The number of straight lines obtained by joining 16 points on a plane, no three of them being on the same line is
Basic Concepts of Permutations and Combinations CA foundation maths solution Exercise 5C
13. At an election there are 5 candids and 3 members are to be elected. A voter is entitled to vote for any number of candidates not greater than number to be elected. The number of ways a voter choose to vote is
14. Every two persons shakes hands with each other in a party and the total number of hand shakes is 66. The number of guests in the party is
15. The number of parallelogram that can be formed from a set of four parallel lines in intersecting another set of three parallel lines is
16. The number of ways in which 12 students can be equally divided into three groups is
17. The number of ways in which 15 mangoes can be equally divided among 3 students is
18. 8 points are marked on the circumference of a circle. The number of chords obtained by joining these in pairs is
19. A committee off 3 ladies and 4 gents is to be formed out of 8 ladies and 7 gents. Mrs. X refuses to serve in a committee in which Mr. Y is a member. The number of such committee is
21. The Supreme Court has given a 6 to 3 decision upholding a lower court, the number of ways it can give a majority decision reversing the lower court is
22. Five bulbs of which three are defective are to be tried in two bulbs points in a dark room. Number of trials the room shall be lighted is
Note: You can observe the solutions. You will try them in your own method.