Question # 1

Number of ways of writing the letters of WORD taken all at a time is

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24

4

12

6

If f (x)=a0 +a1x+a2x2+a3x3-----+0n-1xn-1+anxn then f(n) (x) is equal to

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n!

ann!

0

an

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The periods of the function f(x) = x[x] is

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1

2

Non periodic

None of these

In-radius is denoted by

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r

η

r2

R

An infinite arithmetic series is always

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Convergent

Oscillatory

Divergent

None of these

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None of these

The identity element with respect to subtraction is

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0

1

-1

Does not exist

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1

0

3

-1

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0

-1

1

not defined

x is a member of the set [-1, 0, 3, 5] y is a member of the set {-2, 1, 2, 4} which is possible?

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x - y = -6

x - y < -6

x - y > -6

None

(x + 3) (x + 4) = x²+ 7x + 12 is ______

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Quadratic equation

Linear equation

Cubic equation

Identity

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none of these

If B-A≠φ , then n(B-A) is equal to

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n(a)+n(c)

n(c)-n(a)

n(a)-n(c)

None of these

For f(x) = x² + px +1, if f(3) = 3 then P =

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3/7

-2/5

-7/5

-7/3

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z is purely imaginary

a is any complex number

z is real

None of these

Which of the following sets in infinite

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The set of students of your class

The set of all schools in Pakistan

The set of natural numbers between 3 and 10

The set of rational numbers between 3 and 10

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1

-1

0

None of these

In (x + iy) x is the known as

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Imaginary part of complex number

Real part of complex number

Complex number

None of above

The law of sines is

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The nth term of an A.P is (3n+5) Its 75th term is

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26

7

21

Cannot be determined

Name the property used in a (b-c) = ab - ac

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commutative property of multiplication

distributive property of multiplication

associative property of multiplication

multiplicative inverse

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if A = (x/x€ Q˄ 0 < x < 1}, the A is

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Infinite set

Finite set

Set of rational numbers

Set of real numbers

The point of concurrency of the medians of a triangle is called

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incentre

circumcentre

e-centre

centroid

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One-one but not onto

One-one and onto

Onto but not one-one

Neither one-one nor onto

Z is the set of integers, (z, *) is a group with a * b = a + b + 1, a, b∈G. then inverse of a is

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-a

a + 1

-2 -a

None of these

The solution set of the equation |3x + 2| = 5 is

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If f(x) = x²then f(2) is

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-2

2

4

-4

Arithmetic mean between 14 and 18 is

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16

17

15

32

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