Question # 1

The center of the sphore which passes thro' (a, 0, 0), (0, b, 0), (0, 0, c) and (0, 0, 0) is

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Range of cos x is ______

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[-1, 1]

R

Negative real numbers

R - { x | - 1 < x < 1}

The sum of all odd numbers between 100 and 200 is

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6200

7500

6500

3750

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a^xIn a + c

a^x+ c

x a^x+ c

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

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0

1

-1

None

If f(x) = tan x then f(0) is

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0

1

1/2

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(-1, 2)

(-1, 1)

(1, 2)

{-1}

Tan 360° = _______

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-1

0

1

Undefined

There is no element common in

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N and W

E and W

N and O

Q and Q'

f(x) = x is

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trigonometric function

exponential function

quadratic function

identify function

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cos 2x

2 cos 2x

2 sin2x

-2 cos2x

Two matrices A and B are conformable for the product AB if

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Both A and B are square

Both A and B are symmetric

Number of rows of A = number of columns of B

Number of columns of A = number of rows of B

Sec 30° = ______

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Sum of all the four forth roots of unity is

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1

-1

i

0

Which of the following sets is finite

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The set of natural numbers between 3 and 10

The set of rational numbers between 3 and 10

The set of real numbers between 0 and 1

The set of rational numbers between 0 and 1

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2

0

In the interval 0≤ x ≤ π, the sine is

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Not a function

Not defined

Infinity

Not one-to-one function

√2 +√3 +√5) = (√2 +√3 +√5: this property is called

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associative property w.r.t addition

commutative property

Closure property w.r.t addition

Additive identity

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f(x) = x²

f(x²) = x

f(x) = x

none of these

______________ invented a symbolic way to write the statement "y is a function of x" as y= f(x)

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Leibniz

Newton

Euler

None of these

The domain of a finite sequence is a

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Set of natural numbers

R

Subset of N

Proper subset of N

There is no integer n for which 3ⁿis

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Odd

even

Natural

Prime

Arithmetic mean between 14 and 18 is

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16

17

15

32

The radius of the circle (x - 1)²+ (y + 3)²= 61 is

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8

4

64

None of these

The set of all positive even integers is

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Not a group

A group w.r.t subtraction

A group w.r.t division

A group w.r.t multiplication

Root of the equation 3^x-1+ 3^1-x= is

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2

1

0

-1

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The quadratic formula is

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If x < y, 2x = A, and 2y = B, then

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A = B

A < B

A < x

B < y

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