Question # 1

Choose an answer

Even

Odd

Prime

None of these

if the value of the sphere, v =4/3πr²^, then the which of the following statement is true?

Choose an answer

r is the function of v

v is the function ofπ

π is independent variable

None of these

5th term of a G.P. is 2, then the product of first 9 terms is

Choose an answer

256

128

512

None of these

Choose an answer

n!

0!

1

None of these

The 10th common term between the series 3+7+11+....... and 1 + 6 +11 + ....... is

Choose an answer

191

193

211

None of these

If n is add the expansion (a + x)ⁿhas middle terms

Choose an answer

2

3

4

5

The equation |x + 4| = x has solution

Choose an answer

x = -2

x = 2

x = -4

x = 4

√2 +√3 +√5) = (√2 +√3 +√5: this property is called

Choose an answer

associative property w.r.t addition

commutative property

Closure property w.r.t addition

Additive identity

If z₁ =√-36 ,z₂ =√-25,z3 =√-16 then

Choose an answer

15

15i

-15i

-15

0! = ______

Choose an answer

0

1

2

Not defined

cos(3π/2 +θ) = _____;

Choose an answer

sinθ

cosθ

-sinθ

-cosθ

sin 2 α=

Choose an answer

The angle of depression of a point situated at a distance of 70 meters from the base of a tower is 45°. The height of the tower is

Choose an answer

70 m

85 m

35 m

None of these

Choose an answer

5

15

10

20

The general solution of the differential equation x dy / dx = 1 + y is:

Choose an answer

2

1

3

None

Choose an answer

y + 1 = Ae^x

y + 1 = Axe^x

xe^x= C

y + xe^x= C

A - B = ______

Choose an answer

Group of none-singular matrices under multiplication is

Choose an answer

None-Abelian group

Semi group

Abelian group

None of these

Domain of cosh x is

Choose an answer

R

R -{0}

[1,∞)

[0,∞)

Choose an answer

Rational fraction

Proper fraction

Improper rational fraction

None of these

The first three terms in the expansion of (1 + x)^-2are ______

Choose an answer

1 - 2x + 3x²

1 - 2x - 3x²

1 + 2x + 3x²

-2 -2x + 3x²

Choose an answer

A(α) - A(β)

A(α) + A(β)

A(α-β)

A(α+β)

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

Choose an answer

π

π/2

2π

None of these

The point of concurrency of the angle bisectors of a triangle is called

Choose an answer

incentre

circumcentre

e-centre

centroid

Choose an answer

A finite non-empty set

Null set

Both a and b

None of these

The radius of the circle 2x²+ 2y²- 4x + 12 y+11=0 is:

Choose an answer

√4.5

√11

√29

√15

More Classes

Other Links

ECAT Pre General Science 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