ECAT Mathematics MCQ's Test For Full Book With Answers

ECAT Mathematics MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 How many signals can be given by 5 flags of different colours, using 3 flags at a time 120 60 24 15
2 In how many ways can 5 persons be seated at a round table 5! 4! 3! 120
3 How many arrangements of the letters of the word MI SSI PPI, taken all together can be made?
4 Number of ways of writing the letters of WORD taken all at a time is 24 4 12 6
5 120 5 4 6
6 n different objects can be arranged taken all at a time in ______ (n + 1)! ways (n - 1)! ways n! ways n ways
7 6 360 120 24
8 a cosec(ax + b) + c - a cosec(ax + b) + c
9 0 20 90 80
10 a sec(ax + b) + c - a sec(ax + b) + c
11 a cot(ax + b) + c - a cot(ax + b) + c
12 a tan(ax + b) + c - a tan(ax + b) + c
13 n! 0! 1 None of these
14 a sin(ax + b) + c - a sin(ax + b) + c
15 a cos(ax + b) + c - a cos(ax + b) + c
16
17
18
19 3 6 0 None of these
20 (n + 2) (n + 1)n in factorial form is
21 n(n - 1) (n - 2) in factorial form is
22 56 7 8 8/7
23
24 5x<sup>4 + c</sup> 1/6 x<sup>6</sup>+ c 5x<sup>2</sup>+ c 1/5 x<sup>6</sup>+ c
25 6! = ______ 360 720 6.5.4 None of these
26
27 8 . 7 . 6. 5 in factorial form is
28 8 1/56 56 None of these
29 0! = ______ 0 1 2 Not defined
30 For a positive integer n n! = n(n + 1) n! = n(n+1)! n! = n(n - 1 ) n! = n(n - 1)!
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