Question # 1

Gooch crucible is made of :

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Brass.

Porcelain.

Bronze.

Gold.

An even function is symmetric about the line

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y = x

x = 0

y = -x

y = 0

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If c is a constant number and if f is the function defined by the equation f(x) =c for all values of x, then f is differentiable at every x and f is defined by the equation f(x)

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f

1

C

0

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8

9

10

11

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2x cos x2

-2xcosxsinx

2x Sin x2

-Sin x2

An airplane flying at height of 300 meters above the ground passes vertically above another plane at an instant when the angle of elevation of the two planes from the same point on the ground are 60° and 45° respectively. Then the height of the lower plane from the ground is (in meters).

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A sequence having no last term is called

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arithmetic sequence

Geometric sequence

Finite sequence

Infinite sequence

A and B be two square matrices and if their inverse exist the (AB)-1 =

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A-1 B-1

AB-1

A-1B

B-1A-1

The additive inverse of 1 is

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1

-1

0

Does not exist

Which of the following is a scalar.

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force

frequency

weight

acceleration

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