Advertisements
Advertisements
Question
There are 10 true or false questions in an examination. Then these questions can be answered in
Options
240 ways
120 ways
1024 ways
100 ways
Advertisements
Solution
1024 ways
APPEARS IN
RELATED QUESTIONS
How many code symbols can be formed using 5 out of 6 letters A, B, C, D, E, F so that the letters
- cannot be repeated
- can be repeated
- cannot be repeated but must begin with E
- cannot be repeated but end with CAB.
If nC3 = nC2 then the value of nC4 is:
Prove that 15C3 + 2 × 15C4 + 15C5 = 17C5
There are 15 persons in a party and if each 2 of them shakes hands with each other, how many handshakes happen in the party?
A trust has 25 members. How many ways 3 officers can be selected?
How many ways a committee of six persons from 10 persons can be chosen along with a chair person and a secretary?
There are 5 teachers and 20 students. Out of them a committee of 2 teachers and 3 students is to be formed. Find the number of ways in which this can be done. Further find in how many of these committees a particular teacher is included?
A committee of 7 peoples has to be formed from 8 men and 4 women. In how many ways can this be done when the committee consists of exactly 3 women?
Find the number of strings of 4 letters that can be formed with the letters of the word EXAMINATION?
Choose the correct alternative:
If 10 lines are drawn in a plane such that no two of them are parallel and no three are concurrent, then the total number of points of intersection are
