Two variants of the CAT paper are to be given to 12 students. In how many ways can the students be placed in two rows of six each so that there should be no identical variants side by side and that the students sitting one behind the other should have the same variant. Find the number of ways this can be done
2 x 12C6 x (6!)2
2 x 6! x 6!
2 x 12C6 x 6!
None of these
Quiz Recommendation System API Link - https://fresherbell-quiz-api.herokuapp.com/fresherbell_quiz_api
# | Quiz |
---|---|
1
Discuss
|
How many integers between 1000 and 10000 have no digits other than 4, 5, or 6?
Solution |
2
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 |
3
Discuss
|
If four dice are thrown together, then what is the probability that the sum of the numbers appearing on them is 25 ?
Solution |
4
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 |
5
Discuss
|
How many parallelograms will be formed if 7 parallel horizontal lines intersect 6 parallel vertical lines?
Solution |
6
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 |
7
Discuss
|
Six boys and 4 girls are to be seated in two separate rows with five chairs each, such that two particular girls are always together and all the girls are not in the same row. In how many ways can they be seated?
Solution |
8
Discuss
|
In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together?
Solution |
9
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 |
10
Discuss
|
If A and B are two independent events with P(A) = 3/5 and P(B) = 4/9 , then P(A' ∩ B' ) equals
Solution |
# | Quiz |
Copyright © 2020 Inovatik - All rights reserved