Question # 1

The parametric equations of a circle are

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Multiplicative inverse of 0 is

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0

1

+-1

Does not exist

graph of trigonometric function y = sec x does not meet

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x - axis

y -axis

both axis

None of these

In one hour, the hour hand of a clock turns through

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The probability that a person A will be alive 15 years hence is 5/7 and the probability that another person B will be alive 15 years hence is 7/9. Find the probability that both will be alive 15 years hence

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4/63

5/9

45/49

None of these

i³ =

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-1

i

-i

1

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x³- x²+ x + c

6x - 2 + c

x³- 2x + c

When rational fraction is separated into partial fractions, the result is

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an identity

A fraction

A partial sum

Improper fraction

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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Associative law of multiplication

Commutative law of addition

Commutative law of multiplication

Associative law of addition

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Reciprocal equation

Exponential equation

Radical equation

None of these

The equation of the plane which bisects the line joining (2, 3, 4) and (6, 7, 8) is

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x + y + z - 15 = 0

x - y + z - 15 = 0

x - y - z - 15 = 0

x + y + z + 15 = 0

The point lying on the terminal rat of -270° is

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(1,0)

(0,-1)

(0,1)

(-1,0)

(1 + 2x)⁴= ______

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1 + 4x + 6x²+ 4x³+ x⁴

1 - 4x + 6x²- 4x³+ x⁴

1 - 8x + 24x²- 32x³+ 16x⁴

1 + 8x+ 24x²+ 32x³+ 16x⁴

Additive inverse of - a - b is

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a

-a + b

a - b

a + b

A chimney is such that on walking towards it 50 m in a horizontal line through its base the angular elevation of its top changes from 30° to 45°. The height of the chimney is

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Onto function is also called

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Binjective function

Injective function

Surjechive function

None of these

The general term of the A.P. is

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a₁+ (n - 1) d

n + (a₁- 1) d

d + (n - 1) a₁

None of these

If n is any positive integer then 2ⁿ> 2(n + 1) is true for all

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Which of the following has the same value as i113

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i

-1

-i

1

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5

25

3

The distance of point P(x,y) from focus in a parabola

y² =4ax, is:

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2a

a

x + a

x-a

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c = 0

c = -1

c = -2

c = 1

For each natural number n, n (n+1) is

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an even

an odd

multiple of 3

Irrational

The slope of y-axis is

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0

undefined

1

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1

-1

0

None of these

Express the perimeter P of square as a function of its area A?

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P = 4√A

P =√A

P = 2A

P =π√A

Ifα,β are non-real roots of ax2 + bx +c =0 (a,b,c∈ Q),then

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α = β

αβ = 1

α = β

α = 1

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

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