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Mathematics General Science Test Medium Mode MCQs With Answers
Question # 1
A monoid (G, *) is said to be group if
Choose an answer
have identity element
is commutative
have inverse of each element
None of these
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Question # 2
Out of 10, 000 families with 4 children each, the number of families all of whose children are daughters is
Choose an answer
375
500
625
150
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Question # 3
Choose an answer
0
1
13
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Question # 4
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 # 5
Which of the following is a quadrantal angle
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30°
45°
60°
90°
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Question # 6
√x = ______ if is a prime number
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Rational no
Natural no
Irrational no
Complex no
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Question # 7
If a force F = 2i + j +3k acts at point (1,-2,2) of a body then the moment of F about a pint lying on the line of action of the force is
Choose an answer
5
Equal to the moment of the force about origin
0
Cannot be found
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Question # 8
Choose an answer
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Question # 9
A quadratic equation in x is an equation that can be witten in the form
Choose an answer
ax
2
+ b = 0
ax
3
+b
2
+c=0
ax
2
+bx+c=0
ax
3
+bx
3
+cx=0
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Question # 10
The ratio in which the line y- x+ 2 =0 divides the line joining (3,-1) and (8,9) is
Choose an answer
2:3
-2:3
3:2
-3:2
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Question # 11
A square matrix A = [aij] is upper triangular when
Choose an answer
cij = 0
bij = 0
aij = 0 for all i > j
dij = 0
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Question # 12
d/dx (3y
4
) =
Choose an answer
12y
3
dy/dx
8y
3
8y
3
dy/dx
12y
3
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Question # 13
The general solution of the differential equation dy/dx = log x is
Choose an answer
Y = -x log x- x +c
Y = x log x + x
2
Y = x log x -x +c
Y= 2x log x + 2x +c
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Question # 14
Domain of Y = csc x is
Choose an answer
R - nπ, n ε I
R
R -nπ/2,nεI
All negative Integers
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Question # 15
The point (-5,3) is the center of a circle and P(7,-2) lies on the circle the radius of the circle is
Choose an answer
2
13
7
8
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Question # 16
If a and b are any two distinct negative real numbers and G-ab where A.G.H represent arithmetic geometric and harmonic means then
Choose an answer
1
ω
2
ω
0
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Question # 17
Complex roots of real quadratic equation occur in
Choose an answer
Nilpotent matrix
Singular matrix
Non singular matrix
Diagonal matrix
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Question # 18
A die is thrown what is the probability that there is a prime number on the top?
Choose an answer
1/2
1/3
1/6
2/3
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Question # 19
The angle a (0° < a< 180°) measured counterclockwise from positive x-axis to a non-horizontal straight line / is called the
Choose an answer
Rotation
Inclination
Radian
None
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Question # 20
The sum of the series 1+5+9+13+17+21+25+29 is:
Choose an answer
10 cm
20 cm
30 cm
40 cm
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Question # 21
P(x) = 2x
4
-3x
3
+2x-1 is polynomial of degree
Choose an answer
1
2
3
4
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Question # 22
An m x n matrix is said to be rectangular if
Choose an answer
Forms a group w.r.t. addition
Non commutative group w.r.t. multiplication
Forms a group w.r.t. multiplication
Doesn't form a group
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