In how many ways three different rings can be worn in four fingers wit – InterviewSolution

InterviewSolution

1.	In how many ways three different rings can be worn in four fingers with at most one in each finger?
Answer» Required number of ways = number of ways of arranging 4 fingers taking 3 at a time `= ""^(4)P_(3) =(4xx3xx2)=24.`

Discussion

No Comment Found

Related InterviewSolutions

A number lock on a suitcase has three wheels each labelled with ten digits 0 to 9. If opening of the lock is a particular sequence of three digits with no repeats, how many such sequences will be possible? Also, find the number of unsuccessful attempts to open the lock.
A number lock on a suitcase has 3 wheels each labeled with ten digits 0 to 9. If the opening of the lock is a particular sequence of three digits with no repeats, how many such sequences will be possible? Also, find the number of unsuccessful attempts to open the lock.
How many different words can be formed with the letters of the word ‘CAPTAIN’? In how many of these C and T are never together?
In how many ways can the letters of the word ‘ARRANGE’ be arranged so that the two R’s are never together?
In how many ways can the letters of the word ‘ARRANGE’ be arranged so that the two R’s are never together?
The number of words from the letters of the word ‘BHARAT’ in which B and H will never come together, is A. 360 B. 240 C. 120 D. none of these
Find the total number of arrangements of the letters in the expression a3 b2 c4 when written at full length.
How many words, with or without meaning, can be formed using all theletters of the word EQUATION, using each letter exactly once.
The number of ways to arrange the letters of the word CHEESE are A. 120 B. 240 C. 720 D. 6
In how many ways can the letters of the word ‘PENCIL’ be arranged so that N is always next to E?