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ECAT Mathematics Online Test MCQs With Answers
Question # 1
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Question # 2
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Question # 3
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Question # 4
Sine is a periodic function and its period is ______
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π
s
2
π
4
π
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Question # 5
The number of different ways of describing a set is
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One
Two
Three
Four
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Question # 6
If f(x) = x
2
then f(0) is
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0
1
2
none of these
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Question # 7
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0
1
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Question # 8
A and B throw a dice. The probability that A's throw is not greater then B's is
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5 / 12
7 / 12
1 / 6
1 / 2
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Question # 9
∀a,b,c∈R and c>0,then
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a>b ⇒ ac < bc
a>b ⇒ ac > bc
a<b ⇒ ac > bc
None of these
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Question # 10
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Question # 11
How many arrangements of the letters of the word MI SSI PPI, taken all together can be made?
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Question # 12
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Question # 13
E-radius corresponding to < C is
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Question # 14
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1
7
4
None of these
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Question # 15
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0
1
2
4
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Question # 16
A sequence whose reciprocal is an A.P is called
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Oscillator
H.P
G.P
None of these
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Question # 17
The principal value of sin
-1
(-1/2)
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π/3
π/4
π/6
-π/6
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Question # 18
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 # 19
The mid point of the line joining the points P(x
1
, y
1
) and Q(x
2
, y
2
) is
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Question # 20
If z
1
=√-36 ,z
2
=√-25,z3 =√-16 then
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15
15i
-15i
-15
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Question # 21
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Question # 22
f(x) = sin x is:
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an odd function
an even function
an implicit function
an exponential function
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Question # 23
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Question # 24
The distance s of a particle in time t is given by s = t
3
- 6t
2
- 4t - 8. Its acceleration vanishes at t =
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1
2
3
4
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Question # 25
Every natural number is
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A prime number
An irrational number
An integer
An even number
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Question # 26
Te order of the differential equation of all conics whose axes coincide with the axes of co-ordinates is
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2
3
4
1
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Question # 27
Period of sin x is
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Question # 28
A box contains 10 red 30 white and 20 black marbles When a marble is drawn at random the probability that it is either red or white is
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1/6
1/3
1/2
2/3
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Question # 29
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Question # 30
The equation of the directrix of the parabola x
2
= 4ay is
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x + a = 0
x - a = 0
y + a = 0
y - a = 0
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Question # 31
if the value of the sphere, v =4/3πr
2
,
then the which of the following statement is true?
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r is the function of v
v is the function ofπ
π is independent variable
None of these
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