Question # 1

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1

-1

0

None of these

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

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191

193

211

None of these

If S and P are the sum and the product of roots of a quadratic equation, then the quadratic equation is

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x²+ Sx - P = 0

x²- Sx + P = 0

x²- Sx - P = 0

X²+ Sx + P = 0

The set of natural is a semi group w.r.t

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Addition

Division

Subtraction

None of these

If B ={x/x€ Z ^ - 3 < x < 6}, then n (B) =

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5

{-3,-2,-1,0,1,2,3,4,5,6}

8

9

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1

7

4

None of these

There is no integer n for which 3ⁿis

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Odd

even

Natural

Prime

An indicated sum of terms of a sequence is represented by

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Sn

an

S(n)

{Sn}

Number of lines passing through three non-collinear points is

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2

3

1

0

∞

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1.5

1.2

8

None of these

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a = a

a < a

a > a

a²= a

Some of two real numbers is also a real number , this property is called:

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Commutative property w.r.t addition

Closure property w.r.t. addition

Associative property w.r.t. addition

Distributive property w.r.t addition

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Improper rational fraction

Rational fraction

Proper rational fraction

None of above

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a = -1/2, b = -1

a = 1, b = 2

a = 2, b = 3

None of above

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The roots of (x - a)(x - b) = ab x2 are always

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Real

Depends upon a

Depends upon b

Depends upon a and b

The multiplicative inverse of 1 is

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1

-1

0

Does not exist

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The set {-1, 1} is closed under the binary operation of

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Addition

Multiplication

Subtraction

Division

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x = _________ is in the solution of 2x + 3 < 0

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0

2

-1

-2

Range of secθis

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Z - {x | -1 < x < 1}

W - {x | -1 < x < 1}

R - {x | -1 < x < 1}

R

The sum of infinite numbers of terms of an arithmetic series is

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Finite

Infinite

May or may not finite

None of these

(1 + 2x)⁴= ______

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1 + 4x + 6x²+ 4x³+ x⁴

1 - 4x + 6x²- 4x³+ x⁴

1 - 8x + 24x²- 32x³+ 16x⁴

1 + 8x+ 24x²+ 32x³+ 16x⁴

1.4142135... is ______

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A natural number

A rational number

A prime number

An irrational number

The roots of ax2 + bx + c = 0 are always unequal if

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b2 - 4ac = 0

b2- 4ac ≠ 0

b2- 4ac > 0

b2- 4ac ≥ 0

If a,β are the roots of the equation x2 + kx +12 = 0 such that a - β = 1, the value of k is

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0

±1

±5

±7

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Q∪ Q' =

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Q

Q'

N

R

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