A
B
C
D
Text Solution
Verified by Experts
The correct Answer is:
Topper's Solved these Questions
Similar Questions
Explore conceptually related problems
AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE-II
- sum( r=0 )^ ( 10) ( 40 -r)C (5)=
Text Solution
|
- If ""^(n-1)C(3)+""^(n-1)C(4)gt""^(n)C(3), then
Text Solution
|
- If ""^(n)C(4),""^(n)C(5),""^(n)C(6) are in A.P., then the value of n i...
Text Solution
|
- If ""^(n)C(r-1)=36,""^(n)C(r)=84 and ""^(n)C(r+1)=126, then r is equal...
Text Solution
|
- The value of 2^(n)n!(1.3.5.....(2n-1)) is
Text Solution
|
- If a(n)=sum(r=0)^(n)(1)/(""^(n)C(r)) then sum(r=0)^(n)(r)/(""^(n)C(r))...
Text Solution
|
- ""^(n)C(r)+4.""^(n)C(r-1)+6.""^(n)C(r-2)+4.""^(n)C(r-3)+""^(n)C(r-4) i...
Text Solution
|
- The sum sum(i=0)^(m)((10)/(i))((20)/(m-i)) is maximum when m is
Text Solution
|
- In a football championship there were played 153 matches. Every two te...
Text Solution
|
- From a group of persons the number of ways of selecting 5 persons is e...
Text Solution
|
- In a chess tournament where the participants were to play one game wit...
Text Solution
|
- A teacher takes 3 children from her class to the zoo at a time as ofte...
Text Solution
|
- From 0 to 9, four digited numbers can be formed such that the digits a...
Text Solution
|
- The total number of 4 digit numbers in which the digits are in descend...
Text Solution
|
- There are 12 balls numbered from 1 to 12. The number of ways in which ...
Text Solution
|
- The number of ways in which we can select four numbers from 1 to 30 so...
Text Solution
|
- The number of ways in which 4 vowels and 2 consonants be chosen from E...
Text Solution
|
- The number of ways in which 5 players be chosen from 12 players so as ...
Text Solution
|
- The number of ways in which a team of eleven players can be selected f...
Text Solution
|
- Acommittee of 12 members is to formed from 9 women and 8 men ...
Text Solution
|