The number of way a person roundtrip by bus from A to C by way of B will be
A. | 12 |
B. | 48 |
C. | 144 |
D. | 264 |
Option: C Explanation :
There are twelve ways to go from A to C by way of B, and 12 ways to return. |
The number of diagonals that can be drawn by joining the vertices of an octagon is
A. | 28 |
B. | 48 |
C. | 20 |
D. | None of these |
Option: C Explanation : |
The number of ways in which a team of eleven players can be selected from 22 players including 2 of them and excluding 4 of them is
A. | ^{16}C_{11} |
B. | ^{16}C_{5} |
C. | ^{16}C_{9} |
D. | ^{20}C_{9} |
Option: C Explanation : |