There are 6 letters for 3 envelopes. In how many different ways can the envelopes be filled?
-
1]
120
-
2]
130
-
3]
100
-
4]
110
Solution
Top 5 Similar Quiz - Based On AI&ML
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
| # | Quiz |
|---|---|
|
1
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 |
|
2
Discuss
|
From among the 36 students in a class, one leader and one class representative are to be appointed. In how many ways can this be done?
Solution |
|
3
Discuss
|
How many natural numbers can be made with digits 0, 7, 8 which are greater than 0 and less than a million?
Solution |
|
4
Discuss
|
In how many different ways can the letters of the word 'MATHEMATICS' be arranged so that the vowels always come together
Solution |
|
5
Discuss
|
If
SolutionAnswer :1/2 |
|
6
Discuss
|
Two cards are drawn together from a pack of 52 cards. The probability that one is a spade and one is a heart, is
Solution |
|
7
Discuss
|
Three unbiased coins are tossed. What is the probability of getting at most two heads ?
Solution |
|
8
Discuss
|
How many numbers can be formed from 1, 2, 3, 4, 5 (without repetition), when the digit at the unit’s place must be greater than that in the ten’s place?
Solution |
|
9
Discuss
|
In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together?
Solution |
|
10
Discuss
|
In how many ways can 10 people line up at a ticket window of a railway station?
Solution |
| # | Quiz |
