ECAT Pre Engineering Test Preparation

ECAT Pre Engineering Entry Test

Sr. #	Questions	Answers Choice
1
2	The number of permutations of n objects of which there are n₁like of one kind, n₂like of the second kind and n₃like objects of third kind are
3
4		sec 5x + c - sec 5x + c
5		cos 3x + c - cos 3x + c
6		sin 2x + c -sin 2x + c
7
8
9
10
11
12
13
14
15
16
17	When a selection of object is made without paying regard to the order of selection, it is called	Sequence Series Combination Permutation
18
19	How many necklaces can be made from 6 beads of different colours?	120 60 24 15
20	How many 3 digit numbers can be formed by using each one of the digit 2, 3, 5, 7, 9 only once?	15 24 60 120
21	How many signals can be given by 5 flags of different colours, using 3 flags at a time	120 60 24 15
22	In how many ways can 5 persons be seated at a round table	5! 4! 3! 120
23	How many arrangements of the letters of the word MI SSI PPI, taken all together can be made?
24	Number of ways of writing the letters of WORD taken all at a time is	24 4 12 6
25		120 5 4 6
26	n different objects can be arranged taken all at a time in ______	(n + 1)! ways (n - 1)! ways n! ways n ways
27		6 360 120 24
28		a cosec(ax + b) + c - a cosec(ax + b) + c
29		0 20 90 80
30		a sec(ax + b) + c - a sec(ax + b) + c