Question # 1

If f(x) : A → B and g (x) : A → B then Dom [f(x) + g(x)] is

Choose an answer

Dom f(x) ∩ Dom g (x)

Dom f(x) ∪ Dom g(x)

[Domf(x)]² - [Dom g(x)]²

[Dom g(x)]²-[Domf(x)]²

An m x n matrix is said to be rectangular if

Choose an answer

Forms a group w.r.t. addition

Non commutative group w.r.t. multiplication

Forms a group w.r.t. multiplication

Doesn't form a group

If i,m,n are the direction cosines of a vector O̅P̅ then

Choose an answer

I² + m² + n² =0

I² - m² + n² =1

I² + m² + n² =1

I² + m² - n² =0

Sin^-1 √3/2 =?

Choose an answer

2π/3

π/2

π/3

v/5

d/dx ∫x¹ dx =________.

Choose an answer

1/4 x⁴

X³

3x³

x⁴/4

The set of all positive even integers is

Choose an answer

Φ

{1,2,3}

{Φ}

{0}

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

Choose an answer

π/3

-π/3

2π/3

5π/3

The gradient of the line joining (1,4) and (-2,5) is

Choose an answer

3/8

-2 2/3

-1/3

2

If Cosα = 3/5, Cosβ = 5/13, then

Choose an answer

Cos(α +β) =33/65

Sin(α +β) =56/65

sin²(α +β/2) =1/65

Cos(α +β) =63/65

If Z= (1,2). tjem Z^-1 = ?

Choose an answer

(0.2, 0.4)

(-0.2, 0.4)

(0.2, -0.4)

(-0.2, -0.4)

x² +2x -25 = 0 is

Choose an answer

1

2

3

4

More Classes

Other Links

NAT I General Science Mathematics MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer