मराठी

Evaluate 4! – 3!

Advertisements
Advertisements

प्रश्न

Evaluate 4! – 3!

बेरीज
Advertisements

उत्तर

4! = 1 × 2 × 3 × 4 = 24

3! = 1 × 2 × 3 = 6

∴ 4! – 3! = 24 – 6 = 18

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Permutations and Combinations - EXERCISE 6.2 [पृष्ठ १०६]

APPEARS IN

एनसीईआरटी Mathematics [English] Class 11
पाठ 6 Permutations and Combinations
EXERCISE 6.2 | Q 1. (ii) | पृष्ठ १०६

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Is 3! + 4! = 7!?


if `1/(6!) + 1/(7!) = x/(8!)`, find x


From a committee of 8 persons, in how many ways can we choose a chairman and a vice chairman assuming one person cannot hold more than one position?


Find r if `""^5P_r = 2^6 P_(r-1)`


Find r if `""^5P_r = 2^6 P_(r-1)`


In how many ways can the letters of the word PERMUTATIONS be arranged if the vowels are all together.


If three six faced die each marked with numbers 1 to 6 on six faces, are thrown find the total number of possible outcomes ?


In how many ways can 5 different balls be distributed among three boxes?


Evaluate each of the following:

10P

Evaluate each of the following:

P(6, 4)


Write the remainder obtained when 1! + 2! + 3! + ... + 200! is divided by 14 ?


The number of words that can be formed out of the letters of the word "ARTICLE" so that vowels occupy even places is


The number of ways in which the letters of the word 'CONSTANT' can be arranged without changing the relative positions of the vowels and consonants is


The number of ways to arrange the letters of the word CHEESE are


If the letters of the word KRISNA are arranged in all possible ways and these words are written out as in a dictionary, then the rank of the word KRISNA is


The product of r consecutive positive integers is divisible by


If (n+2)! = 60[(n–1)!], find n


If nP4 = 12(nP2), find n.


In how many ways 5 boys and 3 girls can be seated in a row, so that no two girls are together?


The possible outcomes when a coin is tossed five times:


The greatest positive integer which divide n(n + 1) (n + 2) (n + 3) for all n ∈ N is:


The number of permutation of n different things taken r at a time, when the repetition is allowed is ______.


8 women and 6 men are standing in a line. How many arrangements are possible if any individual can stand in any position?


8 women and 6 men are standing in a line. In how many arrangements will all 6 men be standing next to one another?


If the letters of the word FUNNY are permuted in all possible ways and the strings thus formed are arranged in the dictionary order, find the rank of the word FUNNY


Find the sum of all 4-digit numbers that can be formed using digits 1, 2, 3, 4, and 5 repetitions not allowed?


Find the sum of all 4-digit numbers that can be formed using digits 0, 2, 5, 7, 8 without repetition?


Choose the correct alternative:
If Pr stands for rPr then the sum of the series 1 + P1 + 2P2 + 3P3 + · · · + nPn is


How many words can be formed with the letters of the word MANAGEMENT by rearranging them?


In how many ways can 5 children be arranged in a line such that two particular children of them are always together 


Suppose m men and n women are to be seated in a row so that no two women sit together. If m > n, show that the number of ways in which they can be seated is `(m!(m + 1)!)/((m - n + 1)1)`


The number of words which can be formed out of the letters of the word ARTICLE, so that vowels occupy the even place is ______.


Five boys and five girls form a line. Find the number of ways of making the seating arrangement under the following condition:

C1 C2
(a) Boys and girls alternate: (i) 5! × 6!
(b) No two girls sit together : (ii) 10! – 5! 6!
(c) All the girls sit together (iii) (5!)2 + (5!)2
(d) All the girls are never together : (iv) 2! 5! 5!

If 1P1 + 2. 2p2 + 3. 3p3 + ....... 15. 15P15 = qPr – s, 0 ≤ s ≤ 1, then q+sCr–s is equal to ______.


8-digit numbers are formed using the digits 1, 1, 2, 2, 2, 3, 4, 4. The number of such numbers in which the odd digits do no occupy odd places is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×