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Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
At a point 15 meters away from the base of a 15 meters high house, the angle of elevation of the top is
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90°
60°
30°
45°
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Question # 2
If f (x) = |x|, then (0,0) is the
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Critical point
Inflection point
Stationary point
None of these
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Question # 3
Riaz, Saba. Maria, Shehzad are to give speeches in a class. The teacher can arrange the order of their presentation in
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4 ways
12 ways
256 ways
24 ways
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Question # 4
For all points (x,y) in fourth quadrant
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x > 0 , y < 0
x > 0 , y > 0
x < 0 , y < 0
x < 0 , y > 0
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Question # 5
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Question # 6
If Z
1
= 1 + i, Z
2
= 2+3i, then |Z
2
- Z
1
| = ?
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Question # 7
Arithmetic mean between 14 and 18 is
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16
17
15
32
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Question # 8
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4
3
2
1
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Question # 9
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Question # 10
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c = 0
c = -1
c = -2
c = 1
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Question # 11
The set of positive integers, 0 and negative integers is known as the set of
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Natural numbers
Rational numbers
All integers
Irrational numbers
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Question # 12
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sec x tan x
-cosec x cot x
sec
2
x
-sin x
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Question # 13
The probability to get an odd number in a dice thrown once is
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1/2
1/6
1/3
2
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Question # 14
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Question # 15
The parabolay2=4ax open up if
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a<0
a≠0
a>0
All are incorrect
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Question # 16
The multiplicative inverse of (a,b) is
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Question # 17
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Question # 18
The value of sin-1 24/25 is equal to
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csc-1 25/24
sec-1 24/25
2 tan-1 4/5
2cos-1 24/25
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Question # 19
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An upper triangular matrix
A lower triangular matrix
A diagonal matrix
A null matrix
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Question # 20
The straight lines represented by the equation ax2+ 2hxy +by2 =0 intersects at
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(1,1)
(0,1)
(1,0)
(0,0)
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Question # 21
2cos2 a/2 =______;
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1+sina
1-sina
1+cosa
1-cosa
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Question # 22
n different objects can be arranged taken all at a time in ______
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(n + 1)! ways
(n - 1)! ways
n! ways
n ways
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Question # 23
If there is one-one correspondence between A and B, then we write.
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A = B
A⊆ B
A⊇ B
A ∼ B
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Question # 24
The distance between the points (0 , 0) and (1, 2) is
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5
0
3
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Question # 25
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Question # 26
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Question # 27
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Question # 28
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Question # 29
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Question # 30
The span of a standard parabola depends upon
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x
a
y
y2
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Question # 31
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