A biased coin in tossed thrice. What is the probability that heads turns out at least twice considering that the probability of a head is 60%?
0.648
0.234
0.348
.839
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
Discuss
|
A box contains two white balls, three black balls and four red balls. Balls of the same colour are distinct. The number of ways in which three balls can be drawn from the box if atleast one black ball is to be included in the draw, is
Solution |
2
Discuss
|
The number of triangles that can be formed by choosing the vertices from a set of 12 points, seven of which lie on the same straight line, is
Solution |
3
Discuss
|
Seven different objects must be divided among three people. In how many ways can this be done if one or two of them must get no objects?
Solution |
4
Discuss
|
If C(n, 7) = C(n, 5), find n
Solution |
5
Discuss
|
In how many ways can the letters of the word 'LEADER' be arranged?
Solution |
6
Discuss
|
A five-letter word is to be formed from a group of 5 vowels and 4 consonants, using at least one vowel and at least one consonant. In how many ways the word having a greater number of consonants than vowels can be formed?
Solution |
7
Discuss
|
Three unbiased coins are tossed. What is the probability of getting at most two heads ?
Solution |
8
Discuss
|
How many natural numbers can be made with digits 0, 7, 8 which are greater than 0 and less than a million?
Solution |
9
Discuss
|
From a pack of 52 playing cards, two cards are drawn together at random. Calculate the probability of both the cards being the Kings.
Solution |
10
Discuss
|
Three chairs are arranged in a row facing three other chairs. 4 boys and 2 girls are to be seated on these chairs such that girls are always facing each other. In how many ways can they be seated?
Solution |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved