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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
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Question # 2
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Question # 3
The expansion (1 + x)
-3
holds when
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|x| > 1
|x| < 1
x < 1
x > 1
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Question # 4
Such fraction which can not be written in the form ofp⁄q where p,q and q≠ 0,such fractions are called.
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Fractinal numbers
Rational Numbers
Even Numbers
Whole Numbers
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Question # 5
The different of tan x is
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sec2 x
ln |sec x|
sec2 xdx
-cos ec2 x
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Question # 6
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None of these
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Question # 7
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16
None of these
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Question # 8
The last term of (1+2x)-2
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(-1)-2 (2x)-2
(-1)-4(-2x)-2
(-1)-3(2x)-3
Does not exist
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Question # 9
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Question # 10
Two circle s1: x2+ y2 +2x- 2y- 7= 0: s2: x2+ y2- 6x+ 4y+ 9= 0
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Touch externally
Touch internally
Intersects each other
Do not intersects
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Question # 11
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(1, 3)
(-1, -3)
(1, -3)
(-1, 3)
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Question # 12
The line through the intersection of the lines x+ 2y+ 3= 0 : 3x +4y +7 =0 and making equal intercepts on the axes is
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x+ y+ 1= 0
x+ y- 2= 0
x+ y+ 2= 0
2x +y +2 =0
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Question # 13
sin5θ+sin3θ = _______;
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2sin 4θ cosθ
2cos 4θ sinθ
2cos 4θ cosθ
-2sin 4θ sinθ
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Question # 14
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Question # 15
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Question # 16
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A.P.
G.P.
H.P.
None of these
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Question # 17
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none of these
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Question # 18
How many 3 digit numbers can be formed by using each one of the digit 2, 3, 5, 7, 9 only once?
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15
24
60
120
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Question # 19
∀x,y∈R and x> 0 , y>0, if x > y
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None of these
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Question # 20
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Question # 21
All letters of the word "AGAIN" are permuted in all possible ways and the words so formed (with or without meaning) are written as in dictionary, then the 50th word is
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NAAGI
NAAIG
IAANG
INAGA
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Question # 22
If B-A≠φ , then n(B-A) is equal to
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n(a)+n(c)
n(c)-n(a)
n(a)-n(c)
None of these
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Question # 23
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Question # 24
In R, the additive inverse of a is
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0
1
-a
1/a
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Question # 25
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Question # 26
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Null matrix
Triangular matrix
Unit matrix
Rectangular matrix
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Question # 27
A die is thrown 100 times. If getting an odd number is considered a success, the variance of the number of successes is
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50
25
10
100
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Question # 28
The number of subsets of B = {1,2,3,4,5}
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10
32
16
5
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Question # 29
The set of complex numbers forms a group under the binary operation of
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Addition
Multiplication
Division
Subtraction
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Question # 30
If y=sin(ax+b) then y4=________:
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sin4(ax+b)
a4sin(ax+b)
a4cos(ax+b)
None of these
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Question # 31
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