Ramesh has 6 friends. In how mallY ways can he invite one or more of them at a dinner?
A. | 61 |
B. | 62 |
C. | 63 |
D. | 64 |
Option: C Explanation : |
Total number of words formed by 2 vowels and 3 consonants taken from 4 vowels and 5 consonants is equal to
A. | 60 |
B. | 120 |
C. | 7200 |
D. | none of these |
Option: C Explanation : |
In how many ways can 5 prIzes be distributed among 4 boys when every boy can take one or more prizes ?
A. | 1024 |
B. | 625 |
C. | 120 |
D. | 600 |
Option: A Explanation : |