Question # 1

A monoid (G, *) is said to be group if

Choose an answer

have identity element

is commutative

have inverse of each element

None of these

Choose an answer

The area of a sector with central angle of 0.5 radians in a circular region whose radius is 2m is

Choose an answer

The identity elements with respect to subtraction is

Choose an answer

0

1

-1

Does not exist

Number of permutations of n distinct objects taken r(<n - 3) at a time which exclude 3(<n) particular objects is

Choose an answer

3! P(n, r - 3)

P(n, 3) P(n, r - 3)

P(r, r)P(n, r - 3)

P(n - 3, r)

Choose an answer

The law of consines

The law of sines

The law of tangents

None of these

Choose an answer

1

2

3

4

Choose an answer

Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

Golden rule of fractions

0 (zero) is

Choose an answer

An irrational number

A rational number

A negative integer

A positive number

Choose an answer

Rational

Irrational

Even

Odd

A∪(A∪B)= --------------------

Choose an answer

B

A

A∪B

None of these

Choose an answer

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

Choose an answer

R

(-∞,0]

(-∞,1]

[0,∞)

Choose an answer

A = C

A = B

B = C

None of these

Area of the circle with ends of a diameter at (-3,2) and (5,-6)

Choose an answer

128π sq. units

64π sq. units

32π sq.units

None of these

If the terminal rays of an angle falls on any axis then the angle is called

Choose an answer

Allied angle

Acute angle

Standard position

Quadrantal angle

How many signals can be given by 5 flags of different colours, using 3 flags at a time

Choose an answer

120

60

24

15

Choose an answer

Commutative law of multiplication

Closure law of multiplication

Associative law of multiplication

Multiplication identity

The 8th term of (1+2x) ^-1/2is

Choose an answer

-221/16 x⁷

-225/18 x⁷

-407/9 x³

-429/16 x⁷

a chord passing through the focus of a parabola is called a:

Choose an answer

Focal chord

Latus rectum

Tangent

Directrix

Choose an answer

x

y

If x²- 7x + a has remainder 1 when divided by x + 1, then a = ______

Choose an answer

-7

7

0

None of these

Area of the triangle whose vertices are (2,3),(0,1),(0,0) is

Choose an answer

6

2

4

1

The maximum value of 12 sinθ-9 sin²θis x

Choose an answer

3

4

5

None of these

The point _________ is in the solution of the inequality 2x + 3y < 5

Choose an answer

(1,1)

(2,2)

(0,1)

(0,2)

Both the roots of the equation (x -b) (x - c ) + (x -c) (x-a) +(x-a) (x-b) = 0 are always

Choose an answer

Positive

Negative

Real

None of these

Choose an answer

2^x

2^xIn x

2^xIn 2

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