Advertisements
Advertisements
प्रश्न
Choose the correct alternative:
The number of ways of choosing 5 cards out of a deck of 52 cards which include at least one king is
विकल्प
52C5
48C5
52C5 + 48C5
52C5 – 48C5
उत्तर
52C5 – 48C5
APPEARS IN
संबंधित प्रश्न
Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?
If a polygon has 44 diagonals, find the number of its sides.
The number of diagonals in a polygon of n sides is equal to
The number of 3 letter words that can be formed from the letters of the word ‘NUMBER’ when the repetition is allowed are:
There are 10 true or false questions in an examination. Then these questions can be answered in
If nC12 = nC9 find 21Cn
If `""^15"C"_(2"r" - 1) = ""^15"C"_(2"r" + 4)`, find r
A Kabaddi coach has 14 players ready to play. How many different teams of 7 players could the coach put on the court?
There are 15 persons in a party and if each 2 of them shakes hands with each other, how many handshakes happen in the party?
In a parking lot one hundred, one-year-old cars, are parked. Out of them five are to be chosen at random for to check its pollution devices. How many different set of five cars can be chosen?
Find the total number of subsets of a set with
[Hint: nC0 + nC1 + nC2 + ... + nCn = 2n] 5 elements
Find the total number of subsets of a set with
[Hint: nC0 + nC1 + nC2 + ... + nCn = 2n] n elements
A trust has 25 members. How many ways 3 officers can be selected?
A trust has 25 members. In how many ways can a President, Vice President and a Secretary be selected?
How many ways a committee of six persons from 10 persons can be chosen along with a chair person and a secretary?
There are 5 teachers and 20 students. Out of them a committee of 2 teachers and 3 students is to be formed. Find the number of ways in which this can be done. Further find in how many of these committees a particular student is excluded?
A committee of 7 peoples has to be formed from 8 men and 4 women. In how many ways can this be done when the committee consists of exactly 3 women?
A box contains two white balls, three black balls and four red balls. In how many ways can three balls be drawn from the box, if at least one black ball is to be included in the draw?
There are 11 points in a plane. No three of these lies in the same straight line except 4 points, which are collinear. Find, the number of straight lines that can be obtained from the pairs of these points?