Question # 1

The multiplicative inverse of 2/3 is

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3/2

-2/3

-3/2

1

n! > 2ⁿ-1 is true when

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n≤ 3

n≤ 6

n≥ 4

n≤ 6

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1.5

1.2

8

None of these

The vertex of the standard position angles lies on

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(0,0)

(0,1)

(1,0)

(1,1)

To each element of a group there corresponds ______ inverse element

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Two

One

No

Three

Number of lines passing through three non-collinear points is

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2

3

1

0

∞

Any horizontal line divided the plane into

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Left half plane

Upper and lower half planes

Infinite number of horizontal liens

None of these

A prime number can be a factor of a square only if it occurs in the square at least

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Once

Thirce

Twice

None of these

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A

0

Unit vector

None

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

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Polynomial

Equation

Proper fraction

Improper fraction

The points (5, 0, 2), (2, -6, 0), (4, -9, 6) and (7, -3, 8) are vertices of a

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Square

Rhombus

Rectangle

Parallelogram

The slope of y-axis is

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0

undefined

1

πis the period of the function

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|sin x| + |sin x|

sin⁴x + cos x

sin (sin x) + sin (cos x)

None of these

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none of these

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An ellipse

A parabola

A circle

A hyperbola

3.5+5.4=5.4+3.5 =8.9 this property of addition is called

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additive identity

assoclative property

commulative property

closure property

When a selection of object is made without paying regard to the order of selection, it is called

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Sequence

Series

Combination

Permutation

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If the focus lies on the y-axis with coordinates f(0,a) and directrix of the parabola is y = -a, the equation of parabola is:

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y² = -4 ax

x² = 4ay

x² = -4ay

y² = 4ax

The value of cos(cos-1 1/2) is

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1/2

√3/2

-1/2

1/√2

The different of tan x is

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sec2 x

ln |sec x|

sec2 xdx

-cos ec2 x

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

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1/5

2/5

1/10

3/10

For any equilateral r :R :η :r1 :r2 :r3 =

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1:2:3:4:5

1:2:3:3:3

1:2:4:4:4

2:1 :2 :2 :2

Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

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G.P

H.P.

A.P.

No particular sequence

9. 8. 7. 6= ______

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The range of function f(x)=-x2+2x-1 is

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R

(-∞,0]

(-∞,1]

[0,∞)

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