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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
The solution set of the equation 1 + Cos x = 0 is __________
Choose an answer
none of these
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Question # 2
A polynomial of arbitrary degree
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f(x) = o
f(x) = x
f(x) = a
f(x) = ax + b,a ≠ 0
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Question # 3
The probability to get an odd number in a dice thrown once is
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6
1
1/6
1/2
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Question # 4
A function F(x) is called even if
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F(x) = F (-x)
F(x) = F(-x)
F(x) = -F(x)
2F(x) = 0
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Question # 5
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-10
10/7
-10/7
-7/10
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Question # 6
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Question # 7
A number A is called the arithmetic mean between a and b if a, A, b is ______
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Arithmetic sequence
Geometric sequence
Harmonic sequence
Arithmetic sequence
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Question # 8
The set {1,-1,i,-i}
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Form a group w.r.t addition
Form a group w.r.t multiplication
Does not form a group w.r.t multiplication
Not closed under multiplication
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Question # 9
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A = x, B = 1
A = 0, B = 2
A = -1, B = 1
A = x-1, B = x+1
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Question # 10
The coordinates of the point that divides the join of A(-6,3) and B(5, -2) in the ratio 2:3 internally
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Question # 11
By expressing cos 113° in terms of trigonometrical ratios, answer will be
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− cos 76° = -0.7093
− cos 65° = -0.4258
− cos 67° = -0.3907
− cos 62° = -0.8520
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Question # 12
The product of cube roots of unity is
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Zero
1
-1
None of these
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Question # 13
Let A and B be two sets. If every element of A is also an element of B then
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Question # 14
Write the first four terms of the sequence if a
n
= (-1)
n
n
2
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-1, 4, -9, 16
1, -4, 9, 16
1, 4, 9, 16
None of these
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Question # 15
The axis of the parabola x
2
= 4ay is:
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y = 0
x = 0
x = -a
y = a
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Question # 16
Let a
1
, a
2
, a
3
, a
4
and a
5
be such that a
1
, a
2
, and a
3
are in A.P., a
2
, a
3
and a
4
are in G.P and a
3
, a
4
and a
5
are in H.P. Then, a
1
, a
3
and a
5
are in
Choose an answer
G.P.
A.P.
H.P.
None of these
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Question # 17
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A = x, B = 1
A = 0, B = 2
A = -1, B = 1
A = x-1, B = x + 1
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Question # 18
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Question # 19
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Question # 20
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0
1
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Question # 21
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Question # 22
The 6th term of the sequence 7,9,12,16......is
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27
32
20
19
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Question # 23
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Question # 24
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Cos 2x = sin 4y
Cos 4y = cos 2x
Cos 3y = sin 4x
None of these
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Question # 25
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Question # 26
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Question # 27
(2 + w) (2 + w
2
) = ______
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1
2
3
0
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Question # 28
Choose an answer
A
B
U
None of these
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Question # 29
If you are looking a high point from the ground, then the angle formed is
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Angle of elevation
Angle of depression
Right angle
Horizon
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Question # 30
Choose an answer
0
1
2
3
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Question # 31
Choose an answer
20
10
0
None of these
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