Question # 1

A matrix with a single row is called a

Choose an answer

Column matrix

Row matrix

Null matrix

Identity matrix

If|a| =|b| = |a+b|=1, then|a-b| is equal to:

Choose an answer

1

√3

√2

7

The perpendicular bisector of any chord of a circle

Choose an answer

Passes through the centre of the circle

Does not pass through the centre of the circle

May or may not pass through the centre of the circle

None of these

Choose an answer

cos(3π/2 +θ) = _____;

Choose an answer

sinθ

cosθ

-sinθ

-cosθ

Water seeps out of a conical filter at eh constant rate of 5 cm/sec. the height of the cone of water in the filter is 15 cm. the height of the filter is 20 cm and radius of the base is 10 cm. the rate at which the height of the water decreases is

Choose an answer

0

1

2

none of these

ax2 +2hxy +by2 +2gx +2fy +c =0 may represent an ellipse if

Choose an answer

h2 -ab <0

h2 -ab≠ 0

h2 -ab =0

h2 -ab >0

Choose an answer

parallel vectors

perpendicular vectors

concurrent vectors

collinear vectors

Choose an answer

Closure law of addition

Associative law of addition

Additive inverse

Additive identity

Cofactor of an element a_ijis defined by

Choose an answer

(-1)^i+j|A|

(-1)^i+jM_ij

(-1)^i+jM^-1

None of these

Two matrices A and B are conformable for multiplication (AB) if and only if

Choose an answer

Addition

Multiplication

Division

Subtraction

Corola available in 5 models 8 colours and 3 sizes how many Corola must a local dealer have no hand in order to have one of each kind avialable?

Choose an answer

24

120

16

39

If in isosceles right angled triangle one side is a then hypotenuse is

Choose an answer

a√2

a/2

a

Cannot be determined by given

Cos^-1 (-x) =_______.

Choose an answer

π +cos^-1 x

π -sin^-1 x

π +sin^-1 x

π -cos^-1 x

If Sin θ =Cosθ then θ=

Choose an answer

30°

45°

60°

90°

The circle (x -2)² + (y + 3)² =4 is not concentric with the circle

Choose an answer

(x -2)² + (y + 3)² =9

(x +2)² + (y - 3)² =4

(x -2)² + (y + 3)² =8

(x -2)² + (y + 3)² =5

Sin^-1 (-x) =

Choose an answer

Cos^-1 1/x

-Sin^-1 X

1/sin-1x

Sin^-1 1/x

If -1 < x < 0, which of the following statement must be true?

Choose an answer

x < x² < x²

x < x³ < x²

x² < x³ < x

x²< x < x³

If A and B are matrices of same order than (A + B)(A + B)=

Choose an answer

addition

multiplication

subtraction

None

The mid point of the line joining (=1,-3) to(3,-5) is

Choose an answer

(1, 1)

(1,-1)

(2, -8)

(1, -4)

If a and b are any two distinct negative real numbers and G-ab where A.G.H represent arithmetic geometric and harmonic means then

Choose an answer

1

ω²

ω

0

More Classes

Other Links

Mathematics General Science Test Medium Mode 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