Question # 1

When the angle between the ground and the sun is 30^𝜊,flag pole costss a shadow of 40 mg long. the height of the top of the flag is

Choose an answer

25m

23m

12m

29m

The set { 1 , -1} is closed w.r.t.

Choose an answer

Addition

Multiplications

Subtraction

None of these

Equation of normal to the circle x2 + y2 =25 at (5cosθ,5sinθ)

Choose an answer

xcosθ+ysinθ =5

xcosθ -ysinθ =0

xsinθ -ycosθ =0

None of these

If a polynomial P(x) is divided by x - a, then the remainder is

Choose an answer

P(o)

P(-a)

P(a)

None of these

The set of months in a year beginning with S.

Choose an answer

{September, October, November}

Singleton set

Null set

Empty set

Choose an answer

The period sin²θis

Choose an answer

π²

π

2π

π/2

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

How many 6-Digit number can be formed without repairing any digit from the digits 0,1,2,3,4,5

Choose an answer

720

600

120

6-5!

If the roots of ax²- bx - c = 0 change by the same quantity, then the expression in a, b, c that does not change is

Choose an answer

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

Choose an answer

4013 x3a13

2208a13 x12

223x7a18

38080a13 x12

If a 1-1 correspondence can be established b/w two sets A and B, then they are called

Choose an answer

Equal sets

Equivalent sets

Over lapping sets

None of these

What is the period of 6 sin x=?

Choose an answer

π

-π

π/2

2π

Choose an answer

sin^-1[-1/2] = ______

Choose an answer

By expressing cos 113° in terms of trigonometrical ratios, answer will be

Choose an answer

− cos 76° = -0.7093

− cos 65° = -0.4258

− cos 67° = -0.3907

− cos 62° = -0.8520

cos^-1(cos x) =

Choose an answer

x

cos x

x = 1/x

cos^-2 x

If a₁= 3, r = 2, then the nth term of the G.P. is

Choose an answer

2.3^n-1

3.2ⁿ

3.2ⁿ⁺¹

3.2^n-1

In a class of 100 students, 60 drink tea, 50 drink coffee and 30 drink both. A student from his class is selected at takes at last one of 2 drinks is

Choose an answer

2 / 5

3 / 5

4 / 5

None of these

If ax²+ bx + x = 0 is satisfied by every value of x, then

Choose an answer

b = 0, c = 0

c = 0

b = 0

a = b = c = 0

Choose an answer

1

-1

5

2

The total number of subsets that can be formed out of the set {a, b, c} is

Choose an answer

1

4

8

12

Choose an answer

If 3x4 +4x3+x5is divided by x+1 , which of the following is the remainder

Choose an answer

7

-2

6

1

The distance between the points (1, 2) and (2, 1) is

Choose an answer

3

6

Let the equation ax²- bx + c = 0 have distinct real roots both lying in the open interval (0, 1) where a, b, c are given to be positive integers. Then the value of the ordered triplet (a, b, c) can be

Choose an answer

(5, 3, 1)

(4, 3, 2)

(5, 5, 1)

(6, 4, 1)

All letters of the word "AGAIN" are permuted in all possible ways and the words so formed (with or without meaning) are written as in dictionary, then the 50th word is

Choose an answer

NAAGI

NAAIG

IAANG

INAGA

Choose an answer

16

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

The angle AOP which the ray from an observer's eye at O to an object at P at a lower level makes with horizontal ray OA through O is called the

Choose an answer

Angle of depression

Angle of elevation

Acute angle

Obtuse angle

More Classes

Other Links

ECAT 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