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
Previous
Skip
Next
Question # 2
The law of sines can be used to solve
Choose an answer
Right angle triangle
Isosceles triangle
oblique triangle
haxagon
Previous
Skip
Next
Question # 3
Power set of difference set N-W is
Choose an answer
Empty set
Infinite set
Singleton set
{0,∅}
Previous
Skip
Next
Question # 4
Choose an answer
Previous
Skip
Next
Question # 5
(1 - x)
3
= ______
Choose an answer
1 + 3x + 3x
2
+ x
3
1 + x + x
2
+ x
3
1 - x + x
2
- x
3
1 - 3x + 3x
2
- x
3
Previous
Skip
Next
Question # 6
Choose an answer
2
0
Previous
Skip
Next
Question # 7
A point (x,y) which satisfy a linear inequality in two variables form its
Choose an answer
Solution
Domain
Range
None
Previous
Skip
Next
Question # 8
Unit vector in the positive direction of x-axis is
Choose an answer
Previous
Skip
Next
Question # 9
Choose an answer
6, -12, -18
-6, 4, 9
-6, -4, -9
-6, 12, 18
Previous
Skip
Next
Question # 10
If sin
α
and cos
α
are the roots of the equation px
2
+ qx + r =0, then
Choose an answer
p
2
- q
2
+ 2pr = 0
(p + r)
2
= q
2
- r
2
p
2
+ q
2
- 2pr = 0
(p - r)
2
= q
2
+ r
2
Previous
Skip
Next
Question # 11
There are 16 point in a plane, in which 6 are collinear. how many lines can be drawn by joining these points?
Choose an answer
10
66
71
106
Previous
Skip
Next
Question # 12
The equation of the sphere thro' the origin and making intercepts a, b, c on co-ordinate axes is
Choose an answer
x
2
+ y
2
+ z
2
+ ax + by + cz = 0
x
2
+ y
2
+ z
2
- 2ax - 2 by - 2 cz = 0
x
2
+ y
2
+ z
2
= a + b + c
x
2
+ y
2
+ z
2
- ax - by - cz =0
Previous
Skip
Next
Question # 13
If sin
θ
and cos
θ
are the roots of the equation ax
2
- bx + c = 0, then a, b, c satisfy the relation
Choose an answer
b
2
- a
2
= 2ac
A
2
- b
2
= 2ac
A
2
+ b
2
= c
2
B
2
+ a
2
= 2ac
Previous
Skip
Next
Question # 14
E-radius corresponding to < C is
Choose an answer
Previous
Skip
Next
Question # 15
The value of sin
-1
5/13 is equal to
Choose an answer
Cos 5/13
Tan
-1
5/12
cos
-1
5/12
2 cos
-1
4/5
Previous
Skip
Next
Question # 16
Choose an answer
2
5
7
None of these
Previous
Skip
Next
Question # 17
If f (x)=a0 +a1x+a2x2+a3x3-----+0n-1xn-1+anxn then f(n) (x) is equal to
Choose an answer
n!
ann!
0
an
Previous
Skip
Next
Question # 18
Choose an answer
Previous
Skip
Next
Question # 19
The identity element with respect to subtraction is
Choose an answer
0
-1
0 and 1
None of thes
Previous
Skip
Next
Question # 20
If A is a subset of B and B contains at least one element which is not an element of A, then A is said to be
Choose an answer
Improper subset of B
Super set of B
Proper subset of B
None of these
Previous
Skip
Next
Question # 21
A number H is said to be the H.M. between a and b if a, H, b are in
Choose an answer
A.P.
G. P.
H. P.
None of these
Previous
Skip
Next
Question # 22
If f(x) = x + 1 then f(z
2
-1) is
Choose an answer
z
2
z
2
+ 2
z
2
- 2
none of these
Previous
Skip
Next
Question # 23
Arithmetic mean between 14 and 18 is
Choose an answer
16
17
15
32
Previous
Skip
Next
Question # 24
The number of proper subset of A ={a.b.c.d} is
Choose an answer
3
6
8
15
Previous
Skip
Next
Question # 25
Choose an answer
Previous
Skip
Next
Question # 26
The middle term of (x-y)
8
is
Choose an answer
25 x
4
y
4
70 x
4
y
4
120 x
4
y
4
97x
4
y
4
Previous
Skip
Next
Question # 27
How many necklaces can be made from 6 beads of different colours?
Choose an answer
120
60
24
15
Previous
Skip
Next
Question # 28
Choose an answer
0
1
Previous
Skip
Next
Question # 29
Choose an answer
π / 3
π / 4
π / 6
0
Previous
Skip
Next
Question # 30
Choose an answer
π
/ 2
π
/ 3
π
/ 4
π
Previous
Skip
Next
Question # 31
Choose an answer
Previous
Skip
Next
Back