Question # 1

If A=B, then

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A⊂B and B⊂A

A⊆B and B⊈A

A⊆B and B⊆A

None of these

sec h x = ________

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QUQ'

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H.M. between 3 and 7 is

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The5thand 13th terms of an A.P are 5 and-3 respectively The first term of the A.P is

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1

-15

9

2

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(2x+a+b+c)

(a+b+c)

(a+b+c+x)

0

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Out of 10, 000 families with 4 children each, the number of families all of whose children are daughters is

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375

500

625

150

If the elevation of the sun is 30°, then the length of the shadow cast by a tower of 150 ft height is

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In a country, 55% of the male population has houses in cities while 30% have houses both in cities and in village. Find the percentage of the population that has house only in villages.

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45

30

25

50

The differential equation representing the family of curves y = A cos (x + B), where A, B are parameters, is

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If a,b,c are in arithmetic progression, then 1/a,1/b.1/c are in

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A.M

G.M

H.M

G.P

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The set of natural is a semi group w.r.t

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Addition

Division

Subtraction

None of these

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1/8

1/2

1/4

1/6

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Range of tan x is ______

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[-1, -]

R

Negative real numbers

R - {x | - 1 < x < 1}

The upper 3/4 the portion of a vertical pole subtends an angle tan^-13/5 at a point in the horizontal plane through its foot and at a distance 40 m from the foot. A possible height of the vertical pole is

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20 m

40 m

60 m

80 m

An integer is chosen at random from the number ranging from 1 to 50. the probability that the integer chosen is a multiple of 2 or 3 or 10 is

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3 / 10

5 / 10

7 / 10

9 / 10

The coefficient of xn in the expansion of (1-2x)-1 is

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(-1)n2n

2n

(-1)(n+1)xr

(n+1)2n

The set of the first elements of the orders pairs forming a relation is called its

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Relation in B

Range

Domain

Relation In A

If a cone is cut by a plane perpendicular to the axis of the cone, then the section is a

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parabola

circle

hyperbola

ellipse

The series obtained by adding the terms of an arithmetic sequence is called the

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Infinite series

Harmonic series

Geometric series

Arithmetic series

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1

2

3

4

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By expressing cos 113° in terms of trigonometrical ratios, answer will be

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− cos 76° = -0.7093

− cos 65° = -0.4258

− cos 67° = -0.3907

− cos 62° = -0.8520

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The distance between the points (1, 2) and (2, 1) is

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3

6

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