Question # 1

Sin-1(-x)=

Choose an answer

x

-x

-sin-1 x

cos-1 x

Number of terms in the expansion of (a+x)ⁿis

Choose an answer

n - 1

n + 1

n + 2

n + 3

Tangent is a periodic function and its period is ______

Choose an answer

2π

3π

π

4π

The straight lines represented by the equation ax2+ 2hxy +by2 =0 intersects at

Choose an answer

(1,1)

(0,1)

(1,0)

(0,0)

The term involving x⁴in the expansion of (3 - 2x)⁷is

Choose an answer

120

1512

1250

15120

Choose an answer

Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

If a plane passes through the vertex of a cone then the intersection is

Choose an answer

an ellipse

a hyperbola

a point circle

a parabola

The length of perpendicular from (3,1) to 4x +3y +20 =0 is

Choose an answer

6

7

3

8

The mid point of the line segment joining the points (4,0) and (0,4) is

Choose an answer

(4,4)

(2,2)

(-4,-4)

(-2,-2)

w^-1= ______

Choose an answer

0

1

w

w²

Range if y = cos x is

Choose an answer

-1≤ y≤ 1

-1 < y < 1

-∞ < x < +∞

None of these

The approximate percentage increase in the volume of a cube if the length of its each edge changes from 5 to 5.02 is

Choose an answer

1.2%

1.5%

0.16%

100.16%

The slope of the normal at (5 cos, 0, 5 sin 0) to the circle. x²+y² = 25 is:

Choose an answer

tan𝜽

cos𝜽 /sin𝜽

-cot𝜽

- tan𝜽

tanθ/2

Choose an answer

The common ration of a geometric sequence cannot be

Choose an answer

0

1

2

3

The set {1,2,3,4......} is called

Choose an answer

Set of natural numbers

Set of whole numbers

Set of rational number

Set of irrational numbers

Choose an answer

Number of permutations of n distinct objects taken r(<n - 3) at a time which exclude 3(<n) particular objects is

Choose an answer

3! P(n, r - 3)

P(n, 3) P(n, r - 3)

P(r, r)P(n, r - 3)

P(n - 3, r)

Choose an answer

cos 2x

2 cos 2x

2 sin2x

-2 cos2x

Choose an answer

none of these

Choose an answer

Sine rule for a triangle states that

Choose an answer

a/sin A = b/sin B = c/sin C

sin A/a = sin B/b = sin C/c

a/sin A + b/sin B + c/sin C

2a/sin A = 2b/sin B = 2c/sin C

The eccentricity of the parabola y²= -8x is

Choose an answer

-2

2

-1

1

In the expansion of (x+y)n the coefficient of 5th and 12th terms are equal then n=

Choose an answer

12

n=14

17

n=15

The sum of an infinite geometric series exist if

Choose an answer

| r | < 1

| r | > 1

r = 1

r = -1

The zero vector is

Choose an answer

[0, 0, 0]

[1, 1, 1]

[0, 1, 0]

[0, 0, 1]

Choose an answer

The equation of the directrix of the parabola x²= 4ay is

Choose an answer

x + a = 0

x - a = 0

y + a = 0

y - a = 0

Choose an answer

1

2

3

The centroid of a triangle divides each median in the ratio

Choose an answer

2 : 1

3 : 1

3 : 2

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