More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
Mathematics ECAT Pre Engineering Online Test MCQs With Answers
Question # 1
Choose an answer
2
2
- n - 1
1 - 2
-n
n + 2
-n
-1
2
n
- 1
Previous
Skip
Next
Question # 2
Choose an answer
Previous
Skip
Next
Question # 3
H.M. between 3 and 7 is
Choose an answer
Previous
Skip
Next
Question # 4
If one root of 5x2 + 13x + k = 0 be the reciprocal of the other root the value of k is
Choose an answer
0
2
1
5
Previous
Skip
Next
Question # 5
Choose an answer
Previous
Skip
Next
Question # 6
Choose an answer
28 / 81
28 / 243
81 / 28
243 / 82
Previous
Skip
Next
Question # 7
Onto function is also called
Choose an answer
Binjective function
Injective function
Surjechive function
None of these
Previous
Skip
Next
Question # 8
If d
1
is the distance between (0,0) and (1,2) and d
2
is the distance between (0,0) and (2,1) then
Choose an answer
d
1
= d
2
d
1
<d
2
d
1>
d
2
none of these
Previous
Skip
Next
Question # 9
Choose an answer
Previous
Skip
Next
Question # 10
Choose an answer
(1, 3)
(-1, -3)
(1, -3)
(-1, 3)
Previous
Skip
Next
Question # 11
If x-2 and x-1 both are factors of x
3
-3x
3
+2x-4p, then P must equal to
Choose an answer
1
2
0
-2
Previous
Skip
Next
Question # 12
Power set of X i.e P(X) _______ under the binary operation of union U
Choose an answer
Forms a group
Does not form a group
Has no identity element
Infinite set although X is infinite
Previous
Skip
Next
Question # 13
∫
f
(x) is known as:
Choose an answer
Definite itegral
Indefinite integral
Fixed integral
Multiple integral
Previous
Skip
Next
Question # 14
Choose an answer
An empty set
Universal set
A singleton set
None of these
Previous
Skip
Next
Question # 15
Which of the following has the same value as i
113
?
Choose an answer
i
-1
-i
1
Previous
Skip
Next
Question # 16
The area of sector with central angle of 1 radian in a circular region whose radius is 2m is
Choose an answer
0.5m2
2m2
1m2
4m2
Previous
Skip
Next
Question # 17
If f(x) = x
2
-x then f(1) is
Choose an answer
0
1
2
3
Previous
Skip
Next
Question # 18
sin(a + β)+sin(a -β) =_____;
Choose an answer
2cosa cosβ
2sina cosβ
2cosa sinβ
-2sina sinβ
Previous
Skip
Next
Question # 19
The function discontinuous at x = 0 is (1) tan x (II) cot x (III) sec x (iv)cosec x)
Choose an answer
I & III
I & IV
II & IV
II & III
Previous
Skip
Next
Question # 20
The sum of co-efficient in (1+x-3x
2
)
4163
is
Choose an answer
0
1
-1
None
Previous
Skip
Next
Question # 21
x = sin
-1
3, then the value of sin x is
Choose an answer
√(3/2)
3
Not possible
-1
Previous
Skip
Next
Question # 22
Choose an answer
none of these
Previous
Skip
Next
Question # 23
The law of consines is
Choose an answer
Previous
Skip
Next
Question # 24
The value of the expression 3 cosθ+ 4 sinθθlie between
Choose an answer
-7 and 7
-25 and 25
-1 and 1
-5 and 5
Previous
Skip
Next
Question # 25
Choose an answer
Previous
Skip
Next
Question # 26
The point lying on the terminal rat of -270° is
Choose an answer
(1,0)
(0,-1)
(0,1)
(-1,0)
Previous
Skip
Next
Question # 27
Choose an answer
Previous
Skip
Next
Question # 28
Choose an answer
Previous
Skip
Next
Question # 29
The fifth term of an A.P. Whose first term is 5 and common difference is 3,is
Choose an answer
20
17
25
30
Previous
Skip
Next
Question # 30
Choose an answer
Previous
Skip
Next
Question # 31
Choose an answer
a
1
+ a
2
a
2
1
+ a
2
2
Previous
Skip
Next
Back