Question # 1

The solution of the quadratic equation x2 -7x + 10=0, is

Choose an answer

2

5

2,5

7

The vertex of the graph of the quadratic function f(x) = x2 -10, is

Choose an answer

(0 , -10)

(-10,0)

(10,0)

(0,10)

If f(x) = -x²then f(-2) is

Choose an answer

-2

2

-4

4

If x + y + 1 = 0 touches the parabola y²=λx, thenλis equal to

Choose an answer

2

4

6

8

The multiplicative inverse of 0 is

Choose an answer

1

-1

0

Does not exist

An A.P., a G.P. and a H.P. have the same first and last terms and the same odd numbers of terms, the middle terms of the three series are in

Choose an answer

A.P.

G.P.

H.P.

None of these

If a variable y dependents on a variable x in such a way that each value of x determines exactly one value of y, then we say that

Choose an answer

x is function of y

y is a function of x

y is independent variable

x is real valued function

The coefficient of xn in the expansion of (1-x)-1 is

Choose an answer

(-1)n2n

1

(-1)n(n+1)

(n+1)

Choose an answer

Which of the following is factor of x11+a11, where n is an odd integer

Choose an answer

x-a

x+a

2x-a

2x+a

Sin 90° = ______

Choose an answer

-1

0

1

Undefined

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

Choose an answer

x + y + z - 15 = 0

x - y + z - 15 = 0

x - y - z - 15 = 0

x + y + z + 15 = 0

The roots of the equation x2 +6x-7=0,are

Choose an answer

1

2

1 and -7

-7

The slope of y-axis is

Choose an answer

0

undefined

1

Choose an answer

1, 2, 3

1, 5, 9

2, 5, 8

3, 6, 9

Trival solution of homogeneous linear equation is

Choose an answer

(0, 0, 0)

(1, 2, 3)

(1, 3, 5)

a.b and c

The roots of the equation will be irrational if b²- 4ac is

Choose an answer

Positive and perfect square

Positive but not a perfect square

Negative

Zero

The value of the expression sinθ+ cosθlies between

Choose an answer

If A = {x / x ∈ R ∧ x² - 16 = 0} then A =

Choose an answer

- x

Infinite set

Φ

{-4,4}

Which of the following is not a quadrantal angle

Choose an answer

90°

100°

180°

270°

The number of arbitrary constants in the general solution of a differential equation is equal to the different equation

Choose an answer

Order

Degree

Variables

All are correct

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

Choose an answer

-2x2

-4x2

2x2

4x2

Choose an answer

none of these

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

x+2y=10 is:

Choose an answer

(8,1)

(1,8)

(6,10)

(3,5)

Choose an answer

f(x) = sin x is:

Choose an answer

an odd function

an even function

an implicit function

an exponential function

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