Question # 1

If all members of a sequence are real numbers then it is called a

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Series

Function

Real sequence

Range

The vertex of the graph of the quadratic function f(x) =-x2+6x+1,is

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(-3,10)

(-3,-10)

(3,10)

(3,-10)

If s = 2t³- 3t²+ 15t - 8 is the equation of motion of a particle, then its initial velocity is

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8

15

-6

None

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graph of sine function is bounded between lines

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y± 1 = 0

x± 1 = 0

x± y - 0

None of these

The coefficient of the second term of (a+b)⁴ is

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1

9

3

5

If a = [1,4,3] and B= [2,-1,5] athen the mid point M of AB is:

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[1,1,1.5]

[2,2,1.5]

[1.5,1.5,4]

None of these

Every term of a G.P. is positive and also every term is the sum of two preceding terms. Then the common ratio of the G.P. is

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1

0

5

2

The symbol of irrational is

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W

N

Q

Q'

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The measure of the angle subtended at the centre of the circle by an arc, whose length is equal to the radius of the circle is

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1⁰

1'

1"

1 rad

There are ______ types of rational fraction

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Three

Four

Five

Two

The three consecutive numbers a,√ab,b are in

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G.P

H.P

G.M

None of these

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There are n seats round a table numbered 1, 2, 3 .... n. The number of ways in which m person can take seats is

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ⁿP_m

ⁿC_mx (m - 1) !

^n-1P_m

None of these

The number of permutations of n objects of which there are n₁like of one kind, n₂like of the second kind and n₃like objects of third kind are

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The domain of the principle sine function is

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0

undefined

What is the circular measure of the angles between the hands of which at 4 o clock

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π/6

3π/2

π/4

2π/3

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360°

180°

90°

None of these

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cos (α+β) + cos (α-β) =

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4 cosαcosβ

2 cosαcosβ

2 sinαsinβ

2 sinαcosβ

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The law of sines

The law of tangents

The pythagorus theorem

None of these

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(a - c)²= b²- c²

(a - c)²= b²+ c²

(a + c)²= b²- c²

(a + c)²= b²+ c²

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Addition

Subtraction

Multiplication

None of these

If A ⊆ B then A ∪ B is

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A

B

A'

A ∩B

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

A sequence is a functions whose domain is a subset of the set of

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Natural numbers

Real numbers

Whole numbers

Rational numbers

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