Question # 1

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3 sec²x

3 sec²3x

sec²3x

sec²x

If d₁is the distance between (0,0) and (1,2) and d₂is the distance between (0,0) and (2,1) then

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d₁= d₂

d₁<d₂

d_1>d₂

none of these

The slope of the normal at the point (at², 2at) of the parabola y²= 4ax is

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1/t

t

-t

-1/t

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N

r

2r

π

There are 25 tickets bearing number from 1 to 25. One ticket is drawn at random. The probability that the number on it is a multiple of 5 or 6 is

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7 / 25

9 / 25

11 / 25

None of these

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Multiplication property

Additive property

Trichotomy property

Transitive property of inequality

(ABC)' =

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CBA'

CBA

C' B' A'

None of these

The number of terms in the expansion of (a + x)¹²is

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13

12

11

10

If distance between (3,b) and (0,0) is 3 then b = _______

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3

9

0

If cos^-1p + cos^-1q + cos^-1r =πthen p²+ q²+ r²+ 2pqr is equal to

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3

1

2

-1

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