Question # 1

Write down the power set of {9, 11}

Choose an answer

2

4

8

12

(√3+√5)+√7 = √3 +(√5 +√7) property used in above is

Choose an answer

Commutative property of addition

Closure property of addition

Additive inverse

Associative property w.r.t to adition

The value of cos(cos-1 1/2) is

Choose an answer

1/2

√3/2

-1/2

1/√2

The st. lines whose direction cosines satisfy al + bm + cn = 0, fmn + gnl + hlm=0 are perpendicular if

Choose an answer

The range of the principle cot function is

Choose an answer

Such fraction which can not be written in the form ofp⁄q where p,q and q≠ 0,such fractions are called.

Choose an answer

Fractinal numbers

Rational Numbers

Even Numbers

Whole Numbers

y=-a is the equation of the directrix of

Choose an answer

y2 =4ax

x2=-4ay

x2=4ay

y2=-4ax

The multiplicative inverse ofx^(-1) is

Choose an answer

x

a-2

0

1

Choose an answer

1

2

3/2

5/2

1 radian = ______

Choose an answer

180°

90°

57.296°

60°

Choose an answer

none of these

Choose an answer

pth term of an H.P. is qr and qth term is pr then the rth term of the H.P. is

Choose an answer

pqr

1

pq

pqr²

If a set S contains "n" elements then P (S) has ...... number of elements

Choose an answer

2ⁿ

2²ⁿ

2 . n

n²

The discriminant of the quadratic equation ax²+ bx + c = 0 is

Choose an answer

b²+ 4ac

b²- 4ac

4ac - b²

a²- 4ac

A card is drawn from a pack of cards numbered 1 to 52, the probability that the number on the card is a perfect square is

Choose an answer

1/13

2/13

7/52

None of these

Choose an answer

6x - 2 + c

x³- x²+ x + c

6x - x²+ c

6x³- x²+ c

The set of real numbers is a subset of

Choose an answer

The set of natural numbers

The set of rational numbers

The set of integers

The set of complex numbers

Rational number is a number which can be written as a terminating decimal fraction or a

Choose an answer

Non-terminating decimal fraction

Non-recurring

Recurring decimal fraction

a, b and c

Choose an answer

square root function

identity function

linear function

quadratic function

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

Choose an answer

Polynomial

Equation

Improper rational fraction

Proper rational fraction

The extraction of cube root of a given number is a

Choose an answer

Unary Operation

Binary Operation

Relation

None of these

Choose an answer

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

Choose an answer

2

-2

3

-3

A ________ divides the plane into left and right half planes.

Choose an answer

Vertical line

Horizontal line

Non vertical line

Inequality

The general term of the A.P. is

Choose an answer

a₁+ (n - 1) d

n + (a₁- 1) d

d + (n - 1) a₁

None of these

If for the matrix A,A5 = 1,then A-1=

Choose an answer

A2

A3

A

None of above

the latus rectum of the parabola x³= -4ay is:

Choose an answer

x = a

y = -a

x = -a

y = 0

More Classes

Other Links

Mathematics ECAT Pre Engineering 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