Question # 1

The value of ⁵C₂ is:

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1

10

20

30

r₂ =

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2 sin 12° sin 46° =

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cos 34° + cos 58°

sin 34° - sin 58°

sin 34° + sin 58°

cos 34° - cos 58°

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diagonal matrix

If A is a matrix of order m × n and B is a matrix of order n × p then the order of AB is:

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p×m

p×n

n×p

m×p

B - A is a subset of:

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A

B

If n(S) = 3 then n {P(S)} =

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2

8

16

4

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p is false and q is true

both p and q are false

p is true and q is false

both p and q are true

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2

4

6

8

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Additive property

Multiplicativeproperty

Reflexiveproperty

Transitive property

The period of cos 2x is:

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To draw general conclusions from well-known facts is called:

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logic

proposition

induction

deduction

If the matrices A & B have the orders 2×3 and 5×2 then order BA is:

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3×5

5×2

2×2

none

If W = {0, 1, 2, 3, 4, ........}, N = {1, 2, 3, 4 ...........} then N - W = ?

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W

{0}

none of these

Sum of integral multiples of there between 4 and 22 is:

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81

75

211

none

sin (α + ß) =

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If s denotes the length of the arc intercepted on a circle of radius r by a central angle of α radians, then:

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s = rα

s = r + α

none of these

No. of arrangements of the letters of the word plane taking all letters at a time:

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5

1

none

How many complex cube roots of unity are there:

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2

0

1

3

If a set is described by listing its elements within brackets is called:

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set builder notation

tabular form

descriptive method

none of these

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