Question # 1

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Which is an explicit function

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y = x²+ 2x - 1

x²+ xy + y²= 2

x²+ y²= xy + 2

All are

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Minor of an element a_ijis denoted by

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M_ij

A_ij

|A|

None of these

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The symbol of irrational is

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W

N

Q

Q'

The probability that a slip of number divisible by 4 is picked from the slips bearing numbers 1, 2, 3, ...10 is

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1/5

1/4

1/3

1/2

What is the value of cos (cos-1 2) ?

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√2

1/2

undefine

0

The sum of the even coefficients in the expansion (1 + x)ⁿis

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n²

2^n-2

2^n-1

2ⁿ

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3/8

7/8

1/8

None

Unit vector in the positive direction of x-axis is

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The sum of the focal distance from any point on the ellipse 9x2 +16y2 =144 is

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32

16

18

8

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The number of terms in the expansion of (a + b)⁹is

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10

11

9

12

Associative law of multiplication

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ab = ba

a(bc) = (ab) c

a(b+c) = ab + ac

(a + b)c = ac + bc

In natural logarithm the base is

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1

0

10

e

In (x + iy), y is called as

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Imaginary part

Complex number

Real part

None of above

The number of proper subset of A ={a.b.c.d} is

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3

6

8

15

The ortho center of triangle whose vertices are (0,0)(3,0)(0,4) is

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(0,0)

(1,1)

(2,2)

(3,3)

The sum of indicated terms of a sequence is called

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Arithmetic series

Series

Harmonic series

None of these

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4(x³- 3x²)³+ c

3x²- 6x + c

The area of sector with central angle of 1 radians in a circular region whose radius is 2 m is

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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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The set {1, -1, 1, -1}, form a group under

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Addition

Multiplication

Subtraction

None

The distance between the points (0,0) and (x,y) is

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x²+ y²

x

y

Domain of sinθis

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Set of real numbers

Set of complex numbers

Set of natural numbers

Set of even numbers

A circle passing through the vertices of any triangle is called

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Circumcirle

Incircle

Escribed circle

Unit circle

Which shape of the following objects are approximately parabolic ares?

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Light reflectors

Force

Weight of the pendul

None of these

The sum if 1,3,5,7,9........ up to 20 terms is

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400

472

563

264

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The expansion (1 + x)^-3holds when

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|x| > 1

|x| < 1

x < 1

x > 1

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