Question # 1

The law of cosines reduces to a2 +c2 =b2 for

Choose an answer

α = 90°

β = 90°

γ = 90°

α +β +γ =180°

A dice is rolled. The probability that the dots on the top are greater than 4 is

Choose an answer

1/6

1/3

1/2

1

The line l is horizontal if

Choose an answer

m is undefined

m=0

m=1

m=0-1

If Z = (1,2), then Z^-1= ?

Choose an answer

(0.2, 0.4)

(-0.2, 0.4)

(0.2, -0.4)

(-0.2, -0.4)

w⁷³= ______

Choose an answer

0

1

w

w²

3, 6, 12,.... is

Choose an answer

A.P

G.P.

H.P.

None of these

Choose an answer

n!

0!

1

None of these

The line 3x - 4y = 0

Choose an answer

Is a tangent to the circle x²+ y²= 25

Is a normal to the circle x²+ y²=25

Does not meet the circle x²+ y²= 25

Does not pass thro' the origin

By expressing sin 125° in terms of trigonometrical ratios, answer will be

Choose an answer

sin 65° = 0.9128

sin 55° = 0.8192

sin 70° = 0.5384

sin 72° = 0.1982

Z is the set of integers (Z.*) is a group with a * b = a +b +1, a,b ∈ G.then inverse of a is

Choose an answer

-a

a +1

-1-a

None of these

The function discontinuous at x = 0 is (1) tan x (II) cot x (III) sec x (iv)cosec x)

Choose an answer

I & III

I & IV

II & IV

II & III

Choose an answer

1/2,1/3,1/4,1/5.........is

Choose an answer

a geometric sec

an arithmetric series

finite sequence

an infinite sequece

Choose an answer

Improper rational fraction

Rational fraction

Proper rational fraction

None of above

Choose an answer

0

3

9

-3

Choose an answer

b = c

a = c

b = 0

The distance of the point (a,b) from y-axis is

Choose an answer

a

b

a + b

Choose an answer

The range of function f(x)=-x2+2x-1 is

Choose an answer

R

(-∞,0]

(-∞,1]

[0,∞)

The sum of all even numbers less than 100 is

Choose an answer

2450

2352

2272

2468

The three consecutive numbers a,√ab,b are in

Choose an answer

G.P

H.P

G.M

None of these

Choose an answer

a^xIn a + c

a^x+ c

x a^x+ c

The number of words that can be formed out of the letters of the word ASSASSINATION is

Choose an answer

A = B iff

Choose an answer

All elements of A also the elements of B

A and B should be singleton

A and B have the same number of elements

If both have the same element

Choose an answer

0

U

u/2

log u

sin[cot^-1{cos(tan^-1x)}]=

Choose an answer

If 0 = R, thenthe additive inverse of a is

Choose an answer

1/9

^1/-9

a

-a

The maximum value of 12 sinθ-9 sin²θis x

Choose an answer

3

4

5

None of these

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