If C(n, 7) = C(n, 5), find n
12
15
18
-1
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
Discuss
|
There are seven pairs of black shoes and five pairs of white shoes. They are all put into a box and shoes are drawn one at a time. To ensure that at least one pair of black shoes are taken out, what is the number of shoes required to be drawn out?
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
|
If a team of 4 persons is to be selected from 8 males and 8 females, then in how many ways can the selections be made to include at least 1 female
Solution |
4
Discuss
|
A speaks truth in 75% cases and B in 80% of the cases. In what percentage of the cases are they likely to contradict each other, narrating the same incident?
Solution |
5
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 |
6
Discuss
|
How many parallelograms will be formed if 7 parallel horizontal lines intersect 6 parallel vertical lines?
Solution |
7
Discuss
|
How many words can be formed from the letters of the word "SIGNATURE" so that vowels always come together.
Solution |
8
Discuss
|
One red flower, three white flowers, and two blue flowers are arranged in a line such that
Solution |
9
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 |
10
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 |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved