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VMDSR Online Test Series - TNPSC Maths Test 5

Quiz by Dr.Govindaraj Srinivasan

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Q 1/30
Score 0
If n{P(A)}=256, then n(A) =
29
16
256
1
8

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30 questions

Show answers

Q1
If n{P(A)}=256, then n(A) =
16
256
1
8
120s
Q2
If U={0, 1, 2, 3, 4, 5, 6, 7}, A={1, 3, 5, 7} and B={0, 2, 3, 5, 7}, then, (B-A) =
{1}
{0, 2}
{0, 2, 3, 5, 7}
{1, 3, 5, 7}
120s
Q3
If n(A) = 36, n(B) = 10, n(A∪B)=40, and n(A′)=27, n(A∩B) =
46
63
6
27
120s
Q4
For any three sets A,B and C, (A-B) ∩ (B-C) =
ɸ
120s
Q5
4√7 * 2√3 =
6√21
8√21
8√10
6√10
120s
Q6
The root of the polynomial -7-4x=0 is
-4/7
4/7
-7/4
7/4
120s
Q7
If (x-2) is a factor of 2x^3-6x^2+mx+4, then, the value of m is
-2
2
-20
20
120s
Q8
The factors of x^4-16 are
(x^2-4)(x+2)(x-2)(x-1)
(x^2+4)(x-2)(x-2)
(x^2-4)(x+2)(x+2)
(x^2+4)(x+2)(x-2)
120s
Q9
The remainder when 5x^2-7x+2 is divided by x-1 is
1
4
0
-4
120s
Q10
If 4a+3b=65 and a+2b=35, then, the values of a and b are
15,75
10,5
10,15
5,15
120s
Q11
If sec Ө = 13/5, then sin Ө =
12/13
5/12
5/13
13/12
120s
Q12
If (2,3) is a solution of linear equation 2x+3y=k, then, the value of k is
6
13
0
12
120s
Q13
The centroid of triangle whose vertices (6,-1), (8,3) and (10,-5) is
(-1,8)
(8,1)
(1,8)
(8,-1)
120s
Q14
sin 49/cos 41 =
1
1/2
0
120s
Q15
The value of tan72 tan 18 is
1
18
72
0
120s

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