Question # 1

For what value of k, 3x -2y+ k= 0 is tangent to the circle x2 +y2 +6x -4y =0

Choose an answer

k=0

k=0 or 26

k = 26

k=-13

Domain of cotθis

Choose an answer

The mid point of the line joining the points P(x₁, y₁) and Q(x₂, y₂) is

Choose an answer

8 . 7 . 6. 5 in factorial form is

Choose an answer

If G is the centroid of the triangle, then GA +GB+GC=

Choose an answer

0

1

-1

3

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

1⁰= ______

Choose an answer

1.5 rad

0.5 rad

0.175 rad

None of these

If f (x)=a0 +a1x+a2x2+a3x3-----+0n-1xn-1+anxn then f(n) (x) is equal to

Choose an answer

n!

ann!

0

an

Another name of quadratic equation is

Choose an answer

Polynomial

2nd degree polynomial

Linear equation

simaltaneous equations

Choose an answer

π / 3

π / 4

π / 2

π

Choose an answer

√x = ______ if is a prime number

Choose an answer

Rational no

Natural no

Irrational no

Complex no

cos(π/2-θ) = ________;

Choose an answer

cosθ

sinθ

-cosθ

-sinθ

The number of ways of arranging the letter AAAAA BBB CCC D EE F in a row when no two C's are together is

Choose an answer

0

1

13

The range of the tangent function is

Choose an answer

all real numbers

-1 ≤ x ≥ 1

natural number

z⁺

The study conics, pappus used the method of:

Choose an answer

analytic geometry Euclidean

solid geometry

Greek mathmaticians

None of these

If p, q, r and in A.P., a is G.M. between p and q and b is G.M. between q and r, then a², q², b²are in

Choose an answer

A.P.

G.P.

H.P.

None of these

If the matrices A and B are conformable for multiplication then (AB)^t= ______

Choose an answer

AB

A^tB^t

B^tA^t

A^tB

The square root of 2i - 20i is

Choose an answer

±(5 - 2i)

±(5+ 2i)

(5 - 2i)

None of these

The measure of the angle subtended at the centre of the circle by an arc, whose length is equal to the radius of the circle is

Choose an answer

1⁰

1'

1"

1 rad

A sequence is a function whose domain is

Choose an answer

N

Subset of N

R

None of these

The maximum value of 12 sinθ-9 sin²θis x

Choose an answer

3

4

5

None of these

If the angle of a triangle are in the ratio 2 : 3 : 7, the triangle is

Choose an answer

Obtuse

Acute

Right angle

Isosceles

If ΔABC is right triangle then the law of Cosines reduces to

Choose an answer

The Pythagoras Theorem

The law of Sines

The law of cosines

The law of tangents

Choose an answer

If the cutting plane is parallel to the axis of the cone and intersects both of its nappes, then the curve of intersection is:

Choose an answer

an ellipse

a circle

a parabols

a hyperbola

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