Question # 1

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The symbol of irrational is

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W

N

Q

Q'

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E-radius corresponding to < C is

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If nis positive integers, then 2ⁿ>2n+1, only when

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n≤ 3

n≥ 3

n≤ 2

n≤ 1

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Cos 0° = ______

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-1

0

1

Undefined

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G.P

H.P.

A.P.

No particular sequence

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Improper rational fraction

Rational fraction

Proper rational fraction

None of above

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Set of whole number

Rational Numbers

Complex numbers

Whole numbers

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The transport of a square matrix is a

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Row matrix

Column matrix

Square matrix

Null matrix

The angle of depression of a point situated at a distance of 70 meters from the base of a tower is 45°. The height of the tower is

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70 m

85 m

35 m

None of these

The number of divisors of 1029, 1547 and 122 are in

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A.P.

G.P.

H.P.

None of these

The line 2x +√6y =2 is a tangent to the curve x2 -2y2 =4 The point of contact is

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(√6,1)

(2,3)

(7,-2√6)

(4,-√6)

The only function which is both even and odd is

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f(x) =α

f(x) = x

f(x) =0

Both A & B

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A complex number

A rational number

A natural number

An irrational number

Cos^-1 12/13 =

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tan^-1 3/5

cot^-1 13/12

Sec^-1 13/12

sin^-1 5/13

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

Sum of n terms of a geometric series if | r | < 1 is

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15/23

7/15

7/8

15/7

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0

-4

none of these

A triangle has six

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side

elements

angle

tangents

The number of 5-digit number that can be formed from the digits 1,2,4,6,8, when 2 and 8 are never together is

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72

48

144

20

If line through (4,3) and (2,k) is perpendicular to y =2x +3, then k =_______

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-1

1

-4

4

The number of triplets (x, y, z) satisfying sin^-1x +cos^-1y + sin^-1z = 2π is

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0

2

1

Infinite

An equation of the form ax + by = k is homogeneous linear equation when:

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QUQ, =

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N

R

W

Z

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If A is a non singular matrix then A^-1= ______

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Optimize means ______ a quantity under certain constraints

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Minimize

Maximize

Maximize or minimize

None of these

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