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?
32
48
64
96
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
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 |
2
Discuss
|
It is required to seat 5 boys and 4 girls in a row so that the girls occupy the even places. How many such arrangements are possible?
Solution |
3
Discuss
|
What is the sum of all 4 digit numbers that can be formed by the digits 1, 2, 3, 4 each exactly once
Solution |
4
Discuss
|
Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?
Solution |
5
Discuss
|
There are three rooms in a motel: one single, one double, and one for four persons. How many ways are there to house seven persons in these rooms?
Solution |
6
Discuss
|
One card is drawn at random from a pack of 52 cards. What is the probability that the card drawn is not a face card (Jack, Queen and King only)?
Solution |
7
Discuss
|
A number lock on a suitcase has 3 wheels each labeled with 10 digits from 0 to 9. If the opening of the lock is a particular sequence of three digits with no repeats, how many such sequences will be possible?
Solution |
8
Discuss
|
If four dice are thrown together, then what is the probability that the sum of the numbers appearing on them is 25 ?
Solution |
9
Discuss
|
How many four-digit numbers, each divisible by 4 can be formed using the digits 5, 6, 7, 8, 9, repetition of digits being allowed in any number?
Solution |
10
Discuss
|
If ,, are probabilities of three mutually exclusive events, then
SolutionAnswer :1/2 |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved