Saved Bookmarks
| 1. |
The number of all possible selections of one or more questions from 10 given questions, each question having one alternative is (a) 310 (b) 210 – 1 (c) 310 – 1 (d) 210 (e) None of these |
|
Answer» (c) Since each question can be selected in 3 ways, by selecting it or by selecting its alternative or by rejecting it. Thus, the total number of ways of dealing with 10 given questions is 310 including a way in which we reject all the questions. |
|