Question # 1

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√-1 b=

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b

2

2b

None of these

The probability that the sum of dots appearing in two successive thrown of two dice, in every time 7 is

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1/5

1/36

1/7

1/63

The equation of the circle wit (-1, 1) and radius 2 is

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A triangle has six

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side

elements

angle

tangents

y=-a is the equation of the directrix of

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y2 =4ax

x2=-4ay

x2=4ay

y2=-4ax

The sum of n terms of a series is denoted by

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d

n

S_n

a_n

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Principle of equality of fractions

Rule for product of fractions

Golden rule of fractions

Rule for quotient of fractions

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A joint equation of the lines through the origin and perpendicular to the lines ax2 +2hxy +by2 =0 is indentical is ax2 +2hxy +by2 =0 if

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h2 = ab

a + b =0

a = b

a≠ b

a = b = 0

Three unbiased coins are tossed. Then the probabilities of getting two heads is

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3/8

1/8

1/4

None of these

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If 0 = R, thenthe additive inverse of a is

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1/9

^1/-9

a

-a

When we expand (a + 2b)⁵then

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a⁵+ 10a⁴b + 40a³b²+ 80a²b³+ 80ab⁴+ 32b⁵

a⁵+ a⁴b + a³b²+ a²b³+ ab⁴+ b⁵

5a⁵+ 4a⁴b + 3a³b²+ 2a²b³+ 1 ab⁴+ b⁵

None

The law of cosines reduces to a2 +c2 =b2 for

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α = 90°

β = 90°

γ = 90°

α +β +γ =180°

sin2 π/6 + sin2 π/3 + tan2 π/4 =______;

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1

2

3

4

Trival solution of homogeneous linear equation is

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(0, 0, 0)

(1, 2, 3)

(1, 3, 5)

a, b and c

Tan^-11/x = ______

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sin x

sec^-1X

cot^-1X

None of these

Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

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7

5

6

None of these

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A disjunction of two statement p and q is true

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p is false

q is false

Both p and q are false

One of p and q is true

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

-1-a

None of these

If the vertex of the parabola is the origin and directrix is x+5 = 0 . then its latus rectum is:

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10

5

0

20

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2

4

8

16

The total number of subsets that can be formed out of the set {a, b, c} is

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1

4

8

12

the latus rectum of the parabola x³= -4ay is:

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x = a

y = -a

x = -a

y = 0

i¹⁰¹ =

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i

i²

-i

-1

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cos 2x

2 cos 2x

2 sin2x

-2 cos2x

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