A teacher has to choose the maximum different groups of three students from a total of six students. Of these groups, in how many groups there will be included in a particular student?
12
10
8
6
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
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 |
2
Discuss
|
If C(n, 7) = C(n, 5), find n
Solution |
3
Discuss
|
In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?
Solution |
4
Discuss
|
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%?
Solution |
5
Discuss
|
In a simultaneous throw of two dice, what is the probability of getting a total of 7?
Solution |
6
Discuss
|
If 18Cr = 18Cr+2 ; find rC5.
Solution |
7
Discuss
|
If four dice are thrown together, then what is the probability that the sum of the numbers appearing on them is 25 ?
Solution |
8
Discuss
|
A, B, C, and D are four points, any three of which are non-collinear. Then, the number of ways to construct three lines each joining a pair of points so that the lines do not form a triangle is
Solution |
9
Discuss
|
In how many different ways can the letters of the word 'MATHEMATICS' be arranged so that the vowels always come together
Solution |
10
Discuss
|
A person tosses an unbiased coin. When head turns up, he gets Rs.8 and tail turns up he loses Rs.4. If 3 coins are tossed, what is probability that he gets a profit of Rs.12?
SolutionPerson will get profit of Rs 12 only when there is 2H (Head) and 1T (Tail) H + H + T = 12 8 + 8 + (-4) = 12 Total outcome of 2 head and 1 tail = 23 = 8 i.e (T, H, TH, HT, HH, HHT, HTH, THH) Total event with 2H and 1 T is 3 therfore probability = 3/8 |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved