Question # 1

1⁰= ______

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1.5 rad

0.5 rad

0.175 rad

None of these

If A = [aij]mxpand B =[aij]pxnthen order of BA is

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m x n

p x n

n x m

None of these

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a cosec(ax + b) + c

- a cosec(ax + b) + c

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

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A.P.

G.P.

H.P.

None of these

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none of these

If the sum of co-efficient in the expansion of (a+b)ⁿis 4096, then the greatest co-efficient in the expansion is

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1594

792

924

2924

The A.M. of two numbers is 34 and G.M. is 16, the numbers are

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2 and 64

64 and 3

64 and 4

None of these

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0

1

A matrix in which the number of rows is not equal to the number of columns is called a

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Diagonal matrix

Rectangular matrix

Square matrix

Scalar matrix

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π/ 4

π/ 6

π/ 3

2π/ 3

If|a| =|b| = |a+b|=1, then|a-b| is equal to:

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1

√3

√2

7

Probability of an impossible event is

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0

-1

1

∞

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(a - c)²= b²- c²

(a - c)²= b²+ c²

(a + c)²= b²- c²

(a + c)²= b²+ c²

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Reflexive property

Symmetric property

Transitive property

Additive property

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 span of a standard parabola depends upon

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x

a

y

y2

Circle x² + y² - 2y -y = 0 and x² + y² - 8y -4 =0:

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Interesect

touch externally

touch internally

do not touch

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One-to-one and onto

One-to-one but not on to

Onto but not one-to-one

Neither one-to-one nor onto

x = ________ is in the solution of 2x - 5 > 0

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0

2

-2

3

The slope of the tangent at the point (h,h) of the circle x2 +y2 =a2 is

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0

1

-1

h

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none of these

In one hour, the minute hand of a clock turns through

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The identity element with respect to subtraction is

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0

1

-1

Does not exist

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a sin(ax + b) + c

- a sin(ax + b) + c

In a triangle ABC, if angle A = 72° , angle B = 48° and c = 9 cm then Ĉ is

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69°

66°

60°

63°

Domain of cosh x is

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R

R -{0}

[1,∞)

[0,∞)

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