Advertisements
Advertisements
प्रश्न
Evaluate the following.
`(3! + 1!)/(2^2!)`
Advertisements
उत्तर
`(3! + 1!)/(2^2!)`
`(3! + 1!)/(4!)`
`(3xx2xx1 + 1)/(4xx3xx2xx1)`
`= (6 + 1)/24`
`= 7/24`
APPEARS IN
संबंधित प्रश्न
A customer forgets a four-digits code for an Automatic Teller Machine (ATM) in a bank. However, he remembers that this code consists of digits 3, 5, 6 and 9. Find the largest possible number of trials necessary to obtain the correct code.
Find the number of ways in which 8 distinct toys can be distributed among 5 childrens.
In how many ways can 4 prizes be distributed among 5 students, when
(i) no student gets more than one prize?
(ii) a student may get any number of prizes?
(iii) no student gets all the prizes?
Write the number of numbers that can be formed using all for digits 1, 2, 3, 4 ?
If the letters of the word GARDEN are permuted in all possible ways and the strings thus formed are arranged in the dictionary order, then find the ranks of the words
GARDEN
In how many ways can 5 children be arranged in a line such that two particular children of them are always together
In how many ways can 5 children be arranged in a line such that two particular children of them are never 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 signals that can be sent by 6 flags of different colours taking one or more at a time is ______.
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 ______.
