CA Foundation | Quantitative Aptitude | Permutations and Combinations Ex. 5 B | ICAI Module Solution

CA Foundation Chapter - 5 : BASIC CONCEPTS OF PERMUTATIONS AND COMBINATIONS (Exercise B, Chapter 5 - ICAI Study material)

This video explains the solution of all the problems of Exercise B of Basic Concepts of Permutations and Combinations (Chapter 5 in CA Foundation Quantitative Aptitude study material book provided by ICAI).

Click the time stamp to jump to the required question's solution, or watch it all :-

00:00 Intro
00:06 Question 1 - What are the number of ways in which 7 girls can form a ring ?
01:00 Question 2 - What are the number of ways in which 7 boys can sit in a round table so that two particular boys may sit together ?
03:44 Question 3 - What are the number of ways in which 50 different jewels can be set to form a necklace ?
05:05 Question 4 - What are the number of ways in which 3 ladies and 3 gents can be seated at a round table so that any two and only two of the ladies together ?
09:27 Question 5 - What are the number of ways in which the letters of word "DOGMATIC" can be arranged ?
10:27 Question 6 - What are the number of arrangements in which 10 different things taken 4 at a time in which one particular thing occurs ?
13:24 Question 7 - What are the number of permutations in which 10 different things taken 4 at a time in which one particular thing never occurs ?
14:47 Question 8 - What are the number of ways in which Mr. X and Mr. Y can occupy seats when they enter into railway compartment having six vacant seats ?
15:37 Question 9 - What are the number of numbers in which the numbers lying between 100 and 1000 that can be formed with digits 1,2,3,4,5,6,7 ?
17:06 Question 10 - What are the number of numbers lying between 10 and 1000 that can be formed with the digits 2,3,4,0,8,9 ?
20:33 Question 11 - What are the number of boys in the group if in a group of boys, the number of arrangement of 4 boys is 12 times the number of arrangements of 2 boys ?
22:32 Question 12 - What is the value of 10∑r=1r.rPr ?
24:14 Question 13 - What are the total number of 9 digits numbers of different digits ?
26:29 Question 14 - What are the number of ways in which 6 men can be arranged in a row so that the particular 3 men sit together ?
27:51 Question 15 - What are the number of ways in which A will speak always before B if there are five speakers A, B, C, D and E ?
29:08 Question 16 - What are the number of ways in which a person can go from Calcutta to Delhi and return by a different train if there are 10 trains plying between Calcutta and Delhi ?
30:10 Question 17 - What are the number of ways in which 8 sweets of different sizes can be distributed amount 8 persons of different ages so that the largest sweet always goes to the younger assuming that each one of them gets a sweet ?
31:45 Question 18 - What are the number of arrangements in which letters of the word "MONDAY" can be arranged so that the words thus formed begin with M and do not end with N ?
34:05 Question 19 - What are the total number of ways in which six "+" and four "-" signs can be arranged in a line such that no two "-" signs occur together ?
37:00 Question 20 - What are the number of ways in which the letters of the word "MOBILE" can be arranged so that consonants always occupy the odd places ?
39:00 Question 21 - How many arrangements are possible if 5 persons are sitting in a round table in such a way that tallest person is always on the right side of the shortest person ?
40:49 End Screen

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