Question # 1

The set of complex numbers forms a group under the binary operation of

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Addition

Multiplication

Division

Subtraction

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1

2

3

4

Total number of terms in the expansion of (a + b)⁵+ (a - b)⁵after simplification are

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3

1

4

7

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If the sum of the roots of the equation ax²- 2x + 2a = 0 is equal to their product, then the value of a is

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1

2

3

4

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2

1

3

4

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

A standard deck of 52 cards is shuffled. What is the probability of choosing the queen of the diamonds

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1/5

1/13

5/52

1/52

6 is

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A prime integer

An irrational number

A rational number

An odd integer

The conic is a parabola if

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e < 1

e > 1

e = 1

e = 0

Unit vector in the positive direction of x-axis is

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All

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0

-25

5

45

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Nilpotent matrix

Singular matrix

Non singular matrix

Diagonal matrix

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-2-i

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NAT II Physical Science Mathematics MCQs With Answers

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