Question # 1

Find the geometric mean between 4 and 16

Choose an answer

The eccentricity of the conic 9x²- 16y²= 144 is

Choose an answer

4/5

5/4

4/3

3/4

The number of permutations of n objects of which there are n₁like of one kind, n₂like of the second kind and n₃like objects of third kind are

Choose an answer

Two unbiased dice are thrown. The probability that the total score is > 5 is

Choose an answer

1 / 18

7 / 18

13 / 18

11 / 18

If x < y, 2x = A, and 2y = B, then

Choose an answer

A = B

A < B

A < x

B < y

Choose an answer

none of these

Choose an answer

(-6,4)

(-3,2)

(6,-4)

(3, -2)

One degree is denoted by

Choose an answer

1⁰

1'

1"

1 rad

Choose an answer

none of these

A circle drawn inside a triangle and touching its sides is called

Choose an answer

In-circle

Circum circle

Escribed circle

None of these

The solution set of the equation tan^-1x - cot^-1x = cos^-1(2 - x) is

Choose an answer

[0, 1]

[-1, 1]

[1, 3]

None of these

f(x) = ax + b will be an identity function if

Choose an answer

a = 1 , b = 1

a = 1 , b = 0

Choose an answer

1

0

If for the matrix A, A⁵= I, then A^-1=

Choose an answer

A²

A³

A

None of above

Choose an answer

K/6

2K

3K

6K

Tan(α-β)=

Choose an answer

The angles with some initial and terminal sides are called

Choose an answer

Quadrantal angles

Coterminal angles

Allied angles

None

Choose an answer

In a quadratic equation with leading co-efficient 1, a student reads the co-obtain the roots as - 15 and -4. The correct roots are

Choose an answer

6, 10

-6, -10

8, 8

-8, -8

The domain of the function y = sin x , is

Choose an answer

-π/2≤ x≤ π/2

π/ ≤ x≤ π

-2π ≤ x≤ 2π

-1 ≤ x≤ 1

Choose an answer

Rational

Irrational

Natural

Odd

Choose an answer

a = a

a < a

a > a

a²= a

cos 3a =_______;

Choose an answer

3sin a - 4sin3 a

4sin a - 3sin3 a

3cos3 a - 4cos a

4cos3a - 3cos a

The proposition S(n) for any n∈ N is only true if k∈ N and

Choose an answer

S(k +1) is true

S(1) is true and S(k+1) is true whenever S (k) is true

S(k+1) is true whenever S (k) is true

S(k) is true

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

Every recurring decimal represents

Choose an answer

A natural number

A rational number

An irrational number

A whole number

The coefficient of the third term of (8a-b)^1/3, after simplification is

Choose an answer

-228

1/288

1/220

-1/177

The multiplicative inverse of x such that x = 0 is

Choose an answer

-x

does not exist

1/x

0

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

Which of the following is a scalar.

Choose an answer

force

frequency

weight

acceleration

Choose an answer

5

20

9

4

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