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"DFCCIL EC/EE Engineering Mathematics QUIZ - 1

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Question 1

In the word AKRISHNA, the total number of _____ circular permutation is possible.

Question 2

How many different permutations can be made out of the letters of the word ‘PERMUTATION’?

Question 3

The determinant of a permutation matrix of order ‘n’ is

Question 4

From the letters of the word ‘INSTITUTION’, let the number of wordsin which all I’s come together possible from the permutation of the letters is X and the number of wordsin which vowels come at even position possible from the permutation of the letters is Y, then what is X - Y?

Question 5

The maximum number of points of intersection of 8 circles is

Question 6

A group of students comprises of 5 boys and n girls. If the number of ways, in which a team of 3 students can randomly be selected from this group such that there is at least one boy and at least one girl in each team, is 1750, then n is equal to :
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Jul 3ESE & GATE EC