Question # 1

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0

1

-1

None of these

Roots of the equation x²- x = 2 are

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{2, -1}

{1, 0}

{2, 1}

{-2, 1}

IfΔABC is right, law of cosine reduce to

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Law of sine

Law of tangent

Phthogorous theorem

Hero's formula

1 + 2 + 3 + ...... + n = ______

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The multiplicative inverse of 0 is

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1

-1

0

Does not exist

A conditional is regarded as false only when the antecedent is true and consequent is

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True

False

Known

Unknown

A vector with magnitude one is called

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constant vector

unit vector

zero vector

null vector

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What is the probability of being born on Wednesday?

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1/7

1/2

1/3

1/8

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If Sin A = sin B, cos A = cos B, then the value of A in terms of B is

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-2

-1

1

2

The roots of the equation ax²+ bx + c = 0 are real and equal if

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b²- 4ac < 0

b²- 4ac = 0

b²- 4ac > 0

None of these

The logic in which every statement is regarded as true or false and no other possibility is called

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Aristotelian login

Inductive logic

Non-Aristotelian logic

None of these

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l²+ m²+ n²= 0

l²- m²+ n²= 1

l²+ m²+ n²= 1

l²+ m²- n²= 0

The number of divisors of 1029, 1547 and 122 are in

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A.P.

G.P.

H.P.

None of these

Which of the following is a vector.

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work

time

density

electric field

Range of sin x is ______

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[-1, 1]

R

Negative real numbers

None of these

The equation (cos p - 1)x²+ x (cos p) + sin p = 0 in the variable x, has real roots, then p can take any value in the interval

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(0, 2π)

(-π, -0)

(0,π)

None of these

The corner point of the boundary lines, x-2y

2x + y = 2 is:

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(2,6)

(6,2)

(-2,2)

(2,-2)

The range of the function f : x→ y is defined by

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{x| y = f (x) ∀x∈ X ∧y∈y}

{(x,y) |y = f (x)∀x∈ X}

{y|y = f (x) ∀x∈ X ∧y∈y}

Y

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If ax + bx + c =0 is satisfied by every value of x,then

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b = 0,c = 0

c = 0

b = 0

a = b = c = 0

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A

A'

U

None of these

How many 6-Digit number can be formed without repairing any digit from the digits 0,1,2,3,4,5

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720

600

120

6-5!

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0

1

-1

None of these

The magnitude of a vector can never be

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Zero

Negative

Positive

None of these

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Which of the following is factor of p(x) =2x3 +3x2+3x+2 ?

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x+1

2x+1

3x+1

2x-1

The distance between two points P(x₁, y₁) and Q (x₂, y₂) is

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