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
पर्याय
52C5
48C5
52C5 + 48C5
52C5 – 48C5
उत्तर
52C5 – 48C5
APPEARS IN
संबंधित प्रश्न
How many triangles can be formed by joining the vertices of a hexagon?
Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?
If four dice are rolled, find the number of possible outcomes in which atleast one die shows 2.
There are 18 guests at a dinner party. They have to sit 9 guests on either side of a long table, three particular persons decide to sit on one side and two others on the other side. In how many ways can the guests to be seated?
If a polygon has 44 diagonals, find the number of its sides.
How many code symbols can be formed using 5 out of 6 letters A, B, C, D, E, F so that the letters
- cannot be repeated
- can be repeated
- cannot be repeated but must begin with E
- cannot be repeated but end with CAB.
In how many different ways, 2 Mathematics, 2 Economics and 2 History books can be selected from 9 Mathematics, 8 Economics and 7 History books?
Thirteen guests have participated in a dinner. The number of handshakes that happened in the dinner is:
If `""^15"C"_(2"r" - 1) = ""^15"C"_(2"r" + 4)`, find r
If nPr = 720 and nCr = 120, find n, r
Prove that `""^35"C"_5 + sum_("r" = 0)^4 ""^((39 - "r"))"C"_4` = 40C5
Prove that `""^(2"n")"C"_"n" = (2^"n" xx 1 xx 3 xx ... (2"n" - 1))/("n"!)`
A trust has 25 members. How many ways 3 officers can be selected?
How many different selections of 5 books can be made from 12 different books if, Two particular books are always selected?
Find the number of ways of forming a committee of 5 members out of 7 Indians and 5 Americans, so that always Indians will be the majority in the committee
A polygon has 90 diagonals. Find the number of its sides?
Choose the correct alternative:
The number of ways in which a host lady invite 8 people for a party of 8 out of 12 people of whom two do not want to attend the party together is
Choose the correct alternative:
In a plane there are 10 points are there out of which 4 points are collinear, then the number of triangles formed is
