Question # 1

There are two middle terms in the expansion of (a+x)n if n is

Choose an answer

Even +ve integer

+ve integer

Odd +ve integer

All

Choose an answer

(a + b)c = a . c + bc

a + b = b + a

(a + b) + c = a + (b + c)

a(b+ c) = ab + ac

sin (sin^-1(1/2))=

Choose an answer

0

2

∞

1/2

an - an-1 will be common difference in an A.P if

Choose an answer

n = 1∀n∈ N

n>1∧n∈N

n∈Z

None of the above

Choose an answer

360°

180°

90°

None of these

Choose an answer

a²b²c²

4a²b²c²

4abc

None

Choose an answer

9

-9

0

1

Choose an answer

A finite non-empty set

Null set

Both a and b

None of these

In (x +iy) y is called as

Choose an answer

Imaginary part

Complex number

Real part

None of above

1,1/3,1/5,1/7,1/9..... is a

Choose an answer

geometric sequence

finite sequence

infinite sequence

arithmetic series

The solution of differential equation:

Choose an answer

dy/dx+y/x = x²is :

4xy = x⁴+ c

4x = x⁴= c

4 y = x⁴+ c

4x=4x³ + c

The sum of all 2 digit number is

Choose an answer

4750

3776

4895

4905

Choose an answer

The point which is closet to the focus of a parabola is:

Choose an answer

vertex

Chord

Focus

Directix

Choose an answer

The unit vector along z-axis is

Choose an answer

none of these

If three unequal numbers p, q, r are in H.P. and their squares are in A.P., then the ration p : q : r is

Choose an answer

w^-1= ______

Choose an answer

0

1

w

w²

A tower subtends an angle of 30° at a point distant d from the foot of the tower and on the same level as the foot of the tower. At a second point, h vertically above the firs, the angle of depression of the foot of the tower, is 60°. The height of the tower is

Choose an answer

h/3

h/3d

3h

3h / d

If a +b +c =0 then which of the following is true

Choose an answer

a =b =c =0

a,b =b,c =c,a

a xb=b xc =c xa

None

Choose an answer

202.04 is an example of

Choose an answer

Recurring decimals

Non-recurring decimals

Terminating decimals

None of above

Choose an answer

-1

0

1

None of these

The condition for polynomial equation ax2 + bx + c = 0 to be quadratic is

Choose an answer

a > 0

a < 0

a≠ 0

a≠ 0,b ≠ 0

Choose an answer

A number A is said to be the A.M between the two numbers a and b if a, A, b are in

Choose an answer

A.M

A.P

G.P

G.M

The sum of the focal distance from any point on the ellipse 9x2 +16y2 =144 is

Choose an answer

32

16

18

8

sin 3a = ______;

Choose an answer

3sin a - 4sin3a

4sin a -3 sin3 a

3 cos3 a -cosa

4cos3 a - 3cos a

Multiplying each side of an inequality by (-1) will:

Choose an answer

Not effect

Change the sign

Become zero

Not defined

Choose an answer

8

9

10

11

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