Question # 1

If n is odd then the middle terms in the expansion of (a + x)ⁿare

Choose an answer

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

For non-trival solution |A| is

Choose an answer

A = 0

A^t= 0

|A| = 0

None of these

Two unbiased dice are thrown. The probability that the total score is > 5 is

Choose an answer

1 / 18

7 / 18

13 / 18

11 / 18

The first three terms in the expansion of (1 + x)³are

Choose an answer

1 + 3x +6x²

1- 3x + 6x²\

-3 -3x -6x²

1- 3x -6x²

Choose an answer

(3, 1, -2)

(3, -2, 1)

(2, -1, 3)

(-1, -2, -3)

How many arrangements of the letters of the word MATHEMATICS can be made

Choose an answer

N

r

2r

π

The common ration of a geometric sequence cannot be

Choose an answer

0

1

2

3

cotθ= sin 2θifθ=

Choose an answer

The roots of ax2+bx+c=0 are

Choose an answer

Rational ⇔ b2 -4 ac ≥ 0

Irrational ⇔ b2-4 ac > 0

Real ⇔ b2-4 ac ≠ 0

Rational⇔ b2-4 ac = 0

Choose an answer

8

1/56

56

None of these

Choose an answer

both a & c

Domain of y = scs x is

Choose an answer

All real numbers except π/2 + n*π

R

All negative integers

None of these

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

Choose an answer

an even

an odd

multiple of 3

Irrational

The period of sin x/2 = Cos x/3 is

Choose an answer

2p

12p

13p

7p

Choose an answer

If cos^-1p + cos^-1q + cos^-1r =πthen p²+ q²+ r²+ 2pqr is equal to

Choose an answer

3

1

2

-1

A subset of set of complex number whose elements are of the form (a,0) is called

Choose an answer

Real number

Complex number

Rational number

Irrational number

f(x) = ax + b will be a constant function if

Choose an answer

a = 1 , b = 1

a = 1 , b = 0

Choose an answer

If the equation x2+2x-3=0 and x2+3x-k=0 have a common root then the non - zero value of k is

Choose an answer

1

3

2

4

Roots of the equation x²- 7x + 10 = 0 are

Choose an answer

{2, 5}

{-2, 5}

{2,5}

{-2,-5}

If you are looking someone on the ground from the top of a hill the angle formed is called angle of _______;

Choose an answer

Elevation

Depression

Right angle

None off these

Choose an answer

16

None of these

Choose an answer

Associative law of multiplication

Commutative law of addition

Commutative law of multiplication

Associative law of addition

Period of Cotangent function is

Choose an answer

π

-π

0

-2π

Which of the following is the subset of all sets?

Choose an answer

Equation of normal to the circle x2 + y2 =25 at (5cosθ,5sinθ)

Choose an answer

xcosθ+ysinθ =5

xcosθ -ysinθ =0

xsinθ -ycosθ =0

None of these

Choose an answer

Less then 1

Equal to 1

Greater than 1 but less then 2

Greater then or equal to 2

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