Question
Which of the following is TRUE for “complementary event or ‘not event’”?
More Permutation and combination Questions
- In how many different ways can the letters of the word 'COMPUTER' be arranged in such a way that the vowels always come together?
- How many straight lines can be formed from 9 points out of which 4 are colinear?
- How many four-letter words without repetition having exactly two vowels can be formed by using the letters of the word "SEMINAR"?
- History books are always together and also Geography books are always together?
- A group consists of 10 boys and 6 girls. In how many ways can 6 boys and 2 girls be selected from the group?
- An examinee is required to answer the eight questions out of 16 questions which are divided into two groups each containing eight questions each and he is ...
- A school wants to form a committee of 5 students from 6 boys and 4 girls. How many ways can the committee be formed if it must contain at least 3 boys?
- How many four-letter words without repetition having exactly two vowels can be formed by using the letters of the word "EDUCATE"?
- In how many different ways can the letter of the word ‘PRAISE’ be arranged?
- How many 4-digit even numbers greater than 5000 can be formed using the digits {0, 1, 3, 5, 6, 8} without repetition?
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