Question # 1

In R the left cancellation property w.r.t addition is

Choose an answer

If the domain of the function f: x⟶ 2x³+ 1 is {-1,2,3}, the range of the function is

Choose an answer

{3,2,5}

{1,3,9}

{-1,-2,-3}

{3,9,19}

Choose an answer

cos 3x + c

- cos 3x + c

Cot 45° = ______

Choose an answer

The multiplicative inverse of 1 is

Choose an answer

1

-1

0

Does not exist

The angle of elevation of the top of a tree from a point 17 meters from is foot is 42^𝜊The height of the tree is

Choose an answer

12m

21m

17m

15m

Choose an answer

I and II quadrants

I and III quadrants

II and III quadrants

II and IV quadrants

Choose an answer

images

pre-images

constants

none of these

The value of n, when ⁿP₂= 20 is

Choose an answer

3

4

6

5

The proposition S(n) for any n∈ N is only true if k∈ N and

Choose an answer

S(k +1) is true

S(1) is true and S(k+1) is true whenever S (k) is true

S(k+1) is true whenever S (k) is true

S(k) is true

Choose an answer

The range of y=x2 + 1 is the set of non-negative real numbers except

Choose an answer

0≤ y < 1

0 < y < 1

0≤ y≤ 1

0 < y≤1

(0,1) is in the solution of the inequality

Choose an answer

3x + 2y > 8

2x - 3y < 4

2x + 3y > 5

x -2y < -5

Choose an answer

4

6

8

10

The coordinates of a point P(x,y) referred to XY-system are

Choose an answer

(x+y,y+k)

(x-h,y-k)

(x,y)

(x-h,y-k)

Choose an answer

A quadrilateral whose diagonals are perpendicular bisector of each other is

Choose an answer

Square

Rectangle

Rhombus

Parallelogram

Trapezium

How many 3 digit numbers can be formed by using each one of the digit 2, 3, 5, 7, 9 only once?

Choose an answer

15

24

60

120

The greatest integer which divides the number 101¹⁰⁰- 1 is

Choose an answer

100

1000

10000

100000

The null vector is regarded to be perpendicular to

Choose an answer

Every vector

In some cases

Both a b

None

Derivative of strictly increasing function is always

Choose an answer

Zero

Positive

Negative

Both (A) and (B)

Choose an answer

Does not exist because f is unbounded

Is not attained even though f is bounded

Is equal to 1

Is equal to -1

Choose an answer

0

1

-1

undefined

The fifth term of (a+2x3)17 is

Choose an answer

4013 x3a13

2208a13 x12

223x7a18

38080a13 x12

Area of the circle with ends of a diameter at (-3,2) and (5,-6)

Choose an answer

128π sq. units

64π sq. units

32π sq.units

None of these

If in a set of real no a is additive identity then

Choose an answer

a+a = 2a

a+a = 1

a+a = 0

None of these

The maximum value of sinθcosθis

Choose an answer

1

1/2

1/4

1/6

1 + 2 + 3 + ...... + n = ______

Choose an answer

sin^-1 x =

Choose an answer

tan^-1 x

Cosec^-1 x

Cosec x

cosec^-1(1/x)

Choose an answer

-1

0

1

None of these

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