Question # 1

5 unbiased coins coins are tossed simultaneously. The probability of getting at least one head is

Choose an answer

1 / 32

31 / 32

1 / 16

None of these

When we expand (a + 2b)⁵then

Choose an answer

a⁵+ 10a⁴b + 40a³b²+ 80a²b³+ 80ab⁴+ 32b⁵

a⁵+ a⁴b + a³b²+ a²b³+ ab⁴+ b⁵

5a⁵+ 4a⁴b + 3a³b²+ 2a²b³+ 1 ab⁴+ b⁵

None

The exact value of cos-1 (0) is

Choose an answer

π/2

-π/2

3π

π-π/6

The equation |x + 4| = x has solution

Choose an answer

x = -2

x = 2

x = -4

x = 4

r + 3 >5 then which is true

Choose an answer

r + 2 > 4

r + 2 < 4

r + 2 = 4

None

Choose an answer

cos 2x

2 cos 2x

2 sin2x

-2 cos2x

Period of Tangent function is

Choose an answer

0°

-π

π

2π

The point ________ is in the solution of the inequality 4x - 3y < 2

Choose an answer

(0,1)

(2,1)

(2,2)

(3,3)

If you are looking a bird in the tree from the ground then the angle formed is called angle of______;

Choose an answer

Elevation

Depression

Right angle

None of these

(√3+√5)+√7 = √3 +(√5 +√7) property used in above is

Choose an answer

Commutative property of addition

Closure property of addition

Additive inverse

Associative property w.r.t to adition

1⁰= ______

Choose an answer

360'

60"

60'

3600'

If w is a cube root of unity then 1 + w + w²= ______

Choose an answer

1

2

0

-1

Choose an answer

An integer is chosen at random from the number ranging from 1 to 50. the probability that the integer chosen is a multiple of 2 or 3 or 10 is

Choose an answer

3 / 10

5 / 10

7 / 10

9 / 10

The key for opening a door is in a bunch of 10 keys. A man attempts to open the door by trying the keys at random discarding the wrong key. The probability that the door is opened in the 5th trial is

Choose an answer

1 / 10

2 / 10

3 / 10

4 / 10

A conjunction of two statement p and q is true only if

Choose an answer

p is true

q is true

Both p and q are true

both p and q are false

(x³-1/2x)⁶is

Choose an answer

15/16 x²

2/13 x²

17/7 x²

16/15 x²

The interval in which f(x)=x3-6x2+9x is increasing

Choose an answer

1<x<3

x<1 and x>3

X ≥1 and x ≤ 3

-∞ < x < ∞

The period of the function f(x) = sin⁴x + cos⁴x is

Choose an answer

π

π/2

2π

None of these

Choose an answer

image

pre-image

constant

none of these

Choose an answer

0

1

2

none of these

A function whose range is just one element is called

Choose an answer

One-one function

Constant function

Onto function

Identity function

The principal value of sin-1√(3/2) is

Choose an answer

-π/3

π/3

2π/3

π/2

What is the number of elements of the power set of {0, 1}

Choose an answer

1

2

3

4

Choose an answer

If the domain of sequence is finite set then the sequence is called

Choose an answer

geometric sequence

infinite sequence

finite sequence

arithmetic sequence

Which of the following is a scalar

Choose an answer

weight

force

speed

momentum

Choose an answer

none of these

If f(x) = (-x)²then f(-2) is

Choose an answer

0

2

-4

4

6 is

Choose an answer

A prime integar

An irrational number

A rational number

An odd integer

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