Ramesh has 6 friends. In how many ways can he invite one or more of them at a dinner ?
A. | 61 |
B. | 62 |
C. | 63 |
D. | 64 |
Option: C Explanation : |
The number of ways to arrange th a letters of the word CHEESE are
A. | 120 |
B. | 240 |
C. | 720 |
D. | 6 |
Option: A Explanation : |
The number of different permutations of the word BANANA is
A. | 720 |
B. | 60 |
C. | 120 |
D. | 360 |
Option: B Explanation : |
The number n of ways that an organization consisting of twenty -six members can elect a president, treasurer, and secretary (assuming no person is elected to more than one position) is
A. | 15600 |
B. | 15400 |
C. | 15200 |
D. | 15000 |
Option: A Explanation : |
Common Data for next 2 questions
There are four bus lines between A and B; and three bus lines between B and C.
The number of ways a person can travel by bus from A to C by way of B will be
A. | 10 |
B. | 12 |
C. | 14 |
D. | 24 |
Option: B Explanation :
There are four ways to go from A to B and three ways to go from B to C. |