If P(A)=2/5, P(B)=3/10 and P(A ∩ B) =51, then P(A' | B'). P(B' | A') is equal to
5/6
5/7
25/42
1
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
| # | Quiz |
|---|---|
|
1
Discuss
|
Six boys and 4 girls are to be seated in two separate rows with five chairs each, such that two particular girls are always together and all the girls are not in the same row. In how many ways can they be seated?
Solution |
|
2
Discuss
|
The number of circles that can be drawn out of 10 points of which 7 are collinear is
Solution |
|
3
Discuss
|
If A and B are two independent events with P(A) = 3/5 and P(B) = 4/9 , then P(A' ∩ B' ) equals
Solution |
|
4
Discuss
|
A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw?
Solution |
|
5
Discuss
|
Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?
Solution |
|
6
Discuss
|
The students in a class are seated, according to their marks in the previous examination. Once, it so happens that four of the students got equal marks and therefore the same rank. To decide their seating arrangement, the teacher wants to write down all possible arrangements one in each of separate bits of paper in order to choose one of these by lots. How many bits of paper are required?
Solution |
|
7
Discuss
|
If
SolutionAnswer :1/2 |
|
8
Discuss
|
How many words, with or without meaning, can be formed using all letters of the word EQUATION using each letter exactly once?
Solution |
|
9
Discuss
|
In how many ways the letters of the word “UNDERDOG” can be arranged such that the first and last letters are same and no two vowels are together?
Solution |
|
10
Discuss
|
A, B, C, D and E sit on five chairs all of which are facing north. C will sit only on the leftmost chair and B will not sit anywhere to the left of A. In how many ways they can be seated?
Solution |
| # | Quiz |
Copyright © 2020 Inovatik - All rights reserved