Find \(r\), if \(5{ }^4 P_r=6{ }^5 P_{r-1}\).....
Find \(r\), if \(5{ }^4 P_r=6{ }^5 P_{r-1}\). 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live
Other Videos By PW Solutions
2024-05-09 | If all the letters of the word "QUEUE" are arranged in all possible manner as they are in a dict.... |
2024-05-09 | Number of positive integers which have no two digits having the same value with sum of their dig.... |
2024-05-09 | 8 chairs are numbered from 1 to 8 . Two women & 3 men wish to occupy one chair each. First t.... |
2024-05-09 | The number of six digit numbers that can be formed from the digits 1, 2, 3, 4, 5, \(6 \& 7\).... |
2024-05-09 | The number of 10-digit numbers such that the product of any two consecutive digits in the number.... |
2024-05-09 | Number of oxygen atoms present in chemical formula of fuming sulphuric acid is ____ ..... |
2024-05-09 | A group consists of 4 girls and 7 boys. In how many ways can a team of 5 members be selected if .... |
2024-05-09 | Find the number of arrangements of the letters of the word INDEPENDENCE. In how many of these ar.... |
2024-05-09 | What is the number or ways of choosing 4 cards from a pack of 52 playing cards? In how many of t.... |
2024-05-09 | A sports team of 11 students is to be constituted, choosing at least 5 from Class XI and atleast.... |
2024-05-09 | Find \(r\), if \(5{ }^4 P_r=6{ }^5 P_{r-1}\)..... |
2024-05-09 | In a certain city, all telephone numbers have six digits, the first two digits always being 41 o.... |
2024-05-09 | How many words can be formed each of 2 vowels and 3 consonants from the letters of the given wor.... |
2024-05-09 | Ten buses are plying between two places \(A\) and \(B\). In how many ways a person can travel fr.... |
2024-05-09 | In how many of the distinct permutations of the letters in MISSISSIPPI do the four I's not come .... |
2024-05-09 | How many numbers lying between 100 and 1000 can be formed with the digits \(0,1,2,3,4,5\), if th.... |
2024-05-09 | A library has ' \(a\) ' copies of one book, ' \(b\) ' copies of two books, ' \(c\) ' copies of e.... |
2024-05-09 | If \({ }^n C_9={ }^n C_8\), find \({ }^n C_{17}\)..... |
2024-05-09 | If \(\frac{1}{8 !}+\frac{1}{9 !}=\frac{x}{10 !}\), find \(x\).... |
2024-05-09 | The number of ways in which a committee of 3 women and 4 men be chosen from 8 women and 7 men is.... |
2024-05-09 | The number of solutions of the inequality \({ }^{10} C_{x-1}>3 .{ }^{10} C_x\) is.... |