Question # 1

A number A is said to be the A.M between the two numbers a and b if a, A, b are in

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A.M

A.P

G.P

G.M

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If n is any positive integer then 4ⁿ>3ⁿ+ 4 is true for all

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1

-1

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Cosec 60° = ______

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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

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I quadrant

II quadrant

III quadrant

IV quadrant

If f(x) = x²then f(0) is

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0

1

2

none of these

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1

7

4

None of these

5 unbiased coins coins are tossed simultaneously. The probability of getting at least one head is

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1 / 32

31 / 32

1 / 16

None of these

If distance of (a,b) from y-axis is 2 then

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a = 2

b = 2

a = b

a = 4

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0

1

undefined

x²+ x - 5 = 0 is

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A polynomial

An inequality

An identity

None

∀a,b, c ε R ac = bc ⇒ a = b, c ≠ 0 is a

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Symmetric property

Cancellation property w.r.t multiplication

Reflexive property

Transitive property

Which of the following integrals can be evaluated

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A conditional "if p then q" is denoted by

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The function {f(x,y)|y = ax2 +bx +c} is

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One-one function

Constant function

Onto function

Quadratic function

The middle term of [1/x-x]¹⁰is

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-152

-252

371

-421

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4A - 3I

3A - 4I

A - I

None of these

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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5

10

20

30

Three numbers are chosen random without replacement from {1, 2, 3, ...., 10}. the probability that minimum of the chosen numbering is 3 or their maximum is 7

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7 / 40

5 / 40

11 / 40

None of these

The matrix A = [aij]1xn is a

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Vector

Rectangular matrix

Column vector

Square matrix

The seventh term of an A.P whose first term is P and common difference is q. is

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P-6q

P+6q

P-4q

P-nq

The points (5, -4, 2),(4, -3, 1),(7, -6, 4),(8, -7, 5) are vertices of a

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Square

Parallelogram

Rectangle

Rhombus

Matrix multiplication is

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Commutative

Not commutative

Not associative

Not distributive

If three unequal numbers p, q, r are in H.P. and their squares are in A.P., then the ration p : q : r is

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(a^-1)^-1=

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a^-1

a

-a

None of above

Multiplicative inverse of 0 is

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0

1

±1

Does not exist

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