Question # 1

Choose an answer

2C

C³

1

0

f(x) = ax + b will be an identity function if

Choose an answer

a = 1 , b = 1

a = 1 , b = 0

If a₁and r are the first term and the common ratio respectively then (n + 1)th term of the G.P. is

Choose an answer

0

a₁r^n-1

a₁rⁿ⁺¹

a₁rⁿ

If (0,4) and (0,2) are vertex and focus of the parabola respectively, the the equation of the parabola is:

Choose an answer

x² = 4y -32

x² =8y -32

y³ = 16 x

x2 + 8y =32

If the function y=2x -3, what is the preimage of 11?

Choose an answer

11

7

5

2

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

Choose an answer

α = β

αβ = 1

α = β

α = 1

A person standing on the bank of a river finds that the angle of elevation of the top of a tower on the opposite bank is 45°. then which of the following statements is correct?

Choose an answer

Breadth of the river is twice the height of the tower

Breadth of the river an the height of the tower are the same

Breadth of the river is half of the height of the tower

None of these

For the equation |x²| + |x| -6 =0, the roots are

Choose an answer

One and only one real number

Real with sum one

Real with sum zero

Real with product zero

The minimum value of the quadratic function f(x) = 5 x 2-11,is

Choose an answer

7

-7

6

-11

A fraction in which the degree of the numerator is less the degree of the denominator is called

Choose an answer

Polynomial

Proper fraction

Rational fraction

None

The period of cosec 10x is _______

Choose an answer

The points (5, 0, 2), (2, -6, 0), (4, -9, 6) and (7, -3, 8) are vertices of a

Choose an answer

Square

Rhombus

Rectangle

Parallelogram

The exact degree value of the function sin-1( -√3/2) is

Choose an answer

70^ο

50^ο

90^ο

60^ο

Choose an answer

In order of A is m x n and order of B is n x p then order of AB is

Choose an answer

m x m

n x n

m x p

p x m

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

Choose an answer

Which is in the solution set of 4x - 3y < 2

Choose an answer

(3, 0)

(4, 1)

(1, 3)

None

The law of consines is

Choose an answer

Let the sequence 1, 2, 2, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 8, 8, ..... where n consecutive terms have the value n, then 1025th term is

Choose an answer

2⁹

2¹⁰

2¹¹

2⁸

The factorial of a positive integers is a (an)

Choose an answer

Rational number

Positive integer

Real number

None

Let P(x₁, y₁) and Q(x₂, y₂) be two points in the co-ordinate plane. Let d = distance between P and Q

Choose an answer

-a -b -c

1

0

-1

The set {0,-1} hold closure property under

Choose an answer

Addition

Both a & c

Multiplication

None of these

What is the conjugate of -7 -2i?

Choose an answer

-7 + 2i

7 + 2i

7 -2i

None of these

Choose an answer

Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

The distance of the point (2, -3) from x-axis is

Choose an answer

-2

-3

2

3

The slope of y-axis is

Choose an answer

0

undefined

1

Choose an answer

none of these

Choose an answer

sec x tan x

-cosec x cot x

sec²x

-sin x

Composition of functions is

Choose an answer

Non-commutative (fg ≠ gf)

non-associative [8(fh) ≠(8f)h]

Commutative (fg = gf)

f of-1≠ 1

More Classes

Other Links

ECAT Pre General Science Mathematics Online Test 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

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

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