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Online Tests

ECAT Pre General Science Mathematics Online Test MCQs With Answers

Question # 1

The transport of a null matrix is

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Row matrix

Column matrix

Square matrix

Null matrix

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Question # 2

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Question # 3

The third term of a G.P. is 4, The product of first five terms is

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43

45

46

None of these

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Question # 4

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I quadrant

II quadrant

III quadrant

IV quadrant

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Question # 5

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Question # 6

Sin 90° = ______

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-1

0

1

Undefined

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Question # 7

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Question # 8

If n is add the expansion (a + x)ⁿhas middle terms

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2

3

4

5

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Question # 9

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Question # 10

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Question # 11

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[0, 0, 0]

[1, 0, 0]

[0, 1, 0]

[0, 0, 1]

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Question # 12

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Question # 13

If 0 = R, thenthe additive inverse of a is

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1/9

^1/-9

a

-a

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Question # 14

The slope of the normal at (5 cos, 0, 5 sin 0) to the circle. x²+y² = 25 is:

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tan𝜽

cos𝜽 /sin𝜽

-cot𝜽

- tan𝜽

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Question # 15

The exact value of cos-1 (0) is

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π/2

-π/2

3π

π-π/6

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Question # 16

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x³⁹

40x³⁹

40x⁴¹

none of these

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Question # 17

The set (Q, .)

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Forms a group

Does not form a group

Contains no additive identity

Contains no additive inverse

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Question # 18

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Question # 19

60° = ______

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Question # 20

x is a member of the set [-1, 0, 3, 5] y is a member of the set {-2, 1, 2, 4} which is possible?

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x - y = -6

x - y < -6

x - y > -6

None

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Question # 21

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Question # 22

The roots of (b-c)x2+(c-a) x+a-b=0 are equal if

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2b = a+c

2a = b+c

2c = a+b

a + b + c =0

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Question # 23

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X = 100 sinθ

X = 10 sinθ

X = 100 secθ

None of these

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Question # 24

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Question # 25

The order axioms are satisfied by set of

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C

C and R

R

None of these

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Question # 26

A joint equation of the lines through the origin and perpendicular to the lines ax2 +2hxy +by2 =0 is indentical is ax2 +2hxy +by2 =0 if

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h2 = ab

a + b =0

a = b

a≠ b

a = b = 0

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Question # 27

The are of the circle centred at ( 1 , 2) and passing through ( 4 , 6) is:

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10π

25π

5π

25/2π

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Question # 28

graph of trigonometric function y = sec x does not meet

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x - axis

y -axis

both axis

None of these

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Question # 29

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Question # 30

The proposition S(n) for any n∈ N is only true if k∈ N and

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S(k +1) is true

S(1) is true and S(k+1) is true whenever S (k) is true

S(k+1) is true whenever S (k) is true

S(k) is true

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Question # 31

Which of the following is not a quadrantal angle

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90°

100°

180°

270°

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