Question # 1

If one root of 5x2 + 13x + k = 0 be the reciprocal of the other root the value of k is

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0

2

1

5

(1 - x)³= ______

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1 + 3x + 3x²+ x³

1 + x + x²+ x³

1 - x + x²- x³

1 - 3x + 3x²- x³

The process of finding the unknown elements in triangle is called the

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solution of the triangle

Mean differnece

Engineering distance

angle of depressin

Roots of the equation 2x²- 7x + 3 = 0 are

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Rational

Irrational

Complex

None of these

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Principle of equality of fractions

Rule for product of fractions

Golden rule for fractions

Rule for quotient of fractions

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all

The geometrical representation of a linear function is

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Circle

Parabola

Straight lie

None of these

If a statement S(n) is true for n = 1 and the truth of S(n) for n = k implies the truth of S(n) for = k + 1, then S(n) is true for all

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Real numbers n

Integers n

Positive integers n

None of these

Each complex cube root of unity is square of

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itself

1

-1

the other

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A

B

A'

None of these

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99th term of the series 2 + 7 + 14 + 23 + 34 + ..... is

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9998

9999

10000

None of these

The value of sin²20° + sin²70° is equal to

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1

2

-1

1/2

Two matrices A and B are conformable for the product AB if

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Both A and B are square

Both A and B are symmetric

Number of rows of A = number of columns of B

Number of columns of A = number of rows of B

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

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-7

7

0

None of these

A kite flying at a height of 67.2 m is attached to a fully stretched string inclined at an angle of 53 to the horizontal, the length of the string

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62m

82m

73m

57m

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0

1

1/2

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x²+ x - 6 = 0 is

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An equation

An identity

A polynomial

None of these

A diagonal matrix is always

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Identity

Triangular

Scalar

Non-singular

Number of conics is

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1

3

2

4

The complement of set A relative to universal set U is the set

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Out of 40 consecutive natural numbers, two are chosen at random. Probability that the sum of the numbers is odd, is

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14 / 29

20 / 39

1 / 2

n

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If B⊆ A, then complement of B in A is = -----------------------

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A-B

A∩B

B-A

A∪B

The roots of the equation ax²+ bx + c = 0 are complex/imaginary if

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b²- 4ac < 0

b²- 4ac = 0

b²- 4ac > 0

None of these

The number of solution of the equation tan x + sec x = 2 cos x lying in the interval [0, 2π] is

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0

1

2

3

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none of these

If 4 > b or a < b than a = b is a

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Additive property

Transitive property

Trichotomy property of inequality

None of above

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none of these

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