Question # 1

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If ab > 0 and a < 0, which of the following is negative?

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b

-b

-a

(a - b)²

The point P (5,8) and the origin lie on the side of the line 3x+ 7y+ 15 =0

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Same side

P above and origin below

Opposite side

P below and origin above

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

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associative property w.r.t addition

commutative property

Closure property w.r.t addition

Additive identity

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If a > 0,b > 0, c > 0 then the roots of the equation ax2+ bx + c =0 are

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Real and negative

Non-real with negative real parts

Real and positive

Nothing can be said

The point of concurrency of the medians of the ΔABC is called its

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Orthocenter

Centriod

Circumcentre

Incentre

∛8.6 is approximately equal to

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2.488

2.48

2.0488

2.05

The number of significant numbers which can be formed by using any number of the digits 0, 1, 2, 3, 4 but using each not more than once in each number is

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260

356

410

96

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Improper rational fraction

Rational fraction

Proper rational fraction

None of above

Six boys and 3 girls are to be seated at random, in a row, for a photograph. The probability that no two girls will sit together is

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1/12

1/6

5/12

7/12

A fraction in which the degree of the numerator is less than the degree of the denominator is called

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1-i √-3 / 2

-1+i √-3 / 2i

-1+i √3 / 2

1+i √3 / 2

Which is not included in the domain of Cos^-1 x

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0

1

-1

2

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

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A =B

A < B

A< X

B < y

If A and B are matrices of same order than (A + B)(A + B)=

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addition

multiplication

subtraction

None

In the function v = 4/3 π r³, V is a function of

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3/4

r

v

π

The number of diagonals of a six sided figure are

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9

6

12

3

The set of complex numbers forms a group under the binary operation of

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0

±1

1

{0,1}

Sin^-1 √3/2 =?

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2π/3

π/2

π/3

v/5

If Cⁿ_r, Pⁿ_r = 24:1 then r = ?

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1

2

3

4

A point of a solution region where two of its boundary lines intersect is called

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Boundary

Inequality

Half plane

Vertex

∫cot (ax + b) dx =

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1/a log |sin (ax + b)| +c

1/a log |cos ax + b)

1/b |sin (ax + b)|

1/a log |sin (bx + a)|

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