Question # 1

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

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True

False

Known

Unknown

IfΔABC is right, law of cosine reduce to

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Law of sine

Law of tangent

Phthogorous theorem

Hero's formula

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sin h x

cos h x

tan h x

cot h x

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In(x²- x + 1)⁴+ c

If a₁= 3, r = 2, then the nth term of the G.P. is

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2.3^n-1

3.2ⁿ

3.2ⁿ⁺¹

3.2^n-1

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100

99

0

none of these

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none of these

A monoid (G, *) is said to be group if

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have identity element

is commutative

have inverse of each element

None of these

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1

-1

5

2

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-1

0

1

None of these

∀x, y ∈ R, either x = y or x > y or x < y is

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Transitive property

Reflexive property

Trichotomy property

None of these

A sequence is a function whose domain is

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N

Subset of N

R

None of these

Two tangents drawn from (2,3) to the circle x2+y2 =9 are

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Real and distinct

Imaginary

Real and coincident

None of these

The third term in the expansion of (1+2x) is

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-2x2

-4x2

2x2

4x2

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What is the value of cos (cos-1 2) ?

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√2

1/2

undefine

0

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A line segment whose end points lie on a circle is called

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The secant of the circle

The arc of the circle

The chord of the circle

The circumference of the circle

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Set of whole number

Rational Numbers

Complex numbers

Whole numbers

The formula an = a +(n-1)d for an A.P is called

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nth term of an A.P

Sum of first n terms

A,M between a and b

None of the above

If the cutting plane is parallel to the axis of the cone and intersects both of its nappes, then the curve of intersection is:

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an ellipse

a circle

a parabols

a hyperbola

Let A be a square matrix. Then, 1/2 (A-A') is

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Skew-symmetric

Symmetric

Null

None of the above

The solution set of x²- 5x + 6 = 0 is

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{1, 3}

{2, 3}

{1, 2}

None of these

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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

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-cosec²x

-sec²x

- cosec x cot x

cosec x

If E = { } , then P(E)

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∅

{ }

{(2),(4),(6)....}

(∅)

The sum of co-efficient in (1+x-3x²)⁴¹⁶³is

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0

1

-1

None

If distance of (a,b) from y-axis is 2 then

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a = 2

b = 2

a = b

a = 4

Only one of the root of ax2 + bx + c =0, a≠ 0 is zero if

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c = 0

c = 0,b≠ 0

b = 0,c = 0

b = 0,c≠ 0

Range of sin x is ______

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[-1, 1]

R

Negative real numbers

None of these

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π/ 4

π/ 6

π/ 3

2π/ 3

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