Question # 1

There is no integer n for which 3ⁿis

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Odd

even

Natural

Prime

If the circumference of a circle is divided into 360 congruent parts, the angle subtended by one part at the centre of the circle is

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1⁰

1'

1"

1 rad

The contra positive of p → q is

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q → p

~q→~q

~p→~q

None of these

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If tan^-13 + tan^-1x = tan^-18, then x=

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5

1/5

5/14

14/5

The set of rational number is represented by

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W

R

Q'

Q

x²+ x - 6 = 0 is

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An equation

An identity

A polynomial

None of these

The value of sin 28°cos 17°+cos 28°sin 17°is

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30°

45°

60°

75°

If the trace of matrix A is 5, then the trace of the matrix 3A is

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3/5

5/3

8

15

The magnitude of vector a 2i-7j is

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√23

√43

3

√53

The principal value of sin^-1 [√3/2] is

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π/3

-π/3

2π/3

5π/3

ω⁸⁸ = ?

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A and B are multiplicative inverse of each other

A and B are additive inverses of each other

A and B are singular matrices

A and B are equal

If sinθ = 1 then θ =

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2nπ +π/2

2nπ

2π +n

Nπ +π/2

x² +2x -25 = 0 is

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1

2

3

4

Which of the following is not defined?

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Arcsin 1/9

ArcCos (-4/3)

Arctan 11/12

Arccot (-4)

The equation of the line with gradient 1 passing through the point (h,k) is

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Y = x+ k-h

Y = k/hx +1

Y = x + h -l

Ky = hx =1

The radius of the circle (x- 1)² + (y + 3)² =64 is

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8

2√2

4

64

For which of the following ordered pairs (s,t) is s + t> and s- t < -3?

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(3,2)

(2,3)

(1,8)

(0,3)

If the vector 2i+4j-2k and 2i +6j+xk are perpendicular then x-7

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4

8

14

7

Sin 720° = ________

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1

0

2

1/2

If p and r are integers P = 0, and p ≠ -r, which of the following must be true?

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p < r

p > r

p + r < 0

p - r < -0

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