Home
Class 12
MATHS
To fill 12 vacancies there are 25 candid...

To fill 12 vacancies there are 25 candidates of which 5 are from scheduled caste. If three of the vacancies are reserved for scheduled caste candidates while the rest are open to all; the number of ways in which the selection can be made is a. `^5C_3xx^(22)C_9` b. `^22 C_9-^5C_3` c. `^22 C_3+^5C_3` d. none of these

Promotional Banner

Similar Questions

Explore conceptually related problems

To fill 12 vacancies there are 25 candidates of which 5 are from scheduled castes. If 3 of the vacancies are reserved for scheduled caste candidates while the rest are open to all, the number of ways in which the selection can be made is ""^(5)C_(3) xx ""^(20)C_(9) .

To fill 12 vacancies there are 25 candidates of which 5 are from scheduled caste.If three of the vacancies are reserved for scheduled caste candidates while the rest are open to all; the number of ways in which the selection can be made is a.^(5)C_(3)xx^(22)C_(9) b.^(22)C_(9)-^(5)C_(3) c.22C_(3)+^(5)C_(3) d.none of these

To fill up 12 vacancies, there are 25 candidates of which 5 are from SC. If 3 of these vacancies are reserved for SC candidates while the remaining are open to all then the number of ways in which the selection can be made is

There are 5 candidates in an election and 3 of them are to be elected. A voter can cast any number of votes but not more than three. The number of ways in which he can cast his vote is

The value of expression .^47 C_4+sum_(j=1)^5.^(52-j)C_3 is equal to a. .^47 C_5 b. .^52 C_5 c. .^52 C_4 d. none of these

a,b,c are three numbers such that the average of a and b is 4, that of b and c is 5 and that of a and c is 12. The average of all the three numbers is :

Find the number of different selections of 5 letters, which can be made from 5A's,4B's,3C's,2D's and 1E

The number of different seven-digit numbers that can be written using only the three digits 1,2, and 3 with the condition that the digit 2 occurs twice in each number is a.^(2)P_(5)2^(5) b.^7C_(2)2^(5) c.^(7)C_(2)5^(2) d.none of these