Question # 1

The number of real tangents that can be drawn to the ellipse 3x²+ 5y²= 32 passing thro. (3, 5) is

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0

1

2

Infinite

The multiplicative inverse of -1 in the set {1-, 1} is

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1

-1

0

Does not exist

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I

|A|

|A| I

None of these

√-1 b=

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b

2

2b

None of these

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a constant function

linear function

quadratic funtion

none of these

Six boys and 3 girls are to be seated at random, in a row, for a photograph. The probability that no two girls will sit together is

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1/12

1/6

5/12

7/12

An A.P. consists of n(odd terms) and its middle term is m. then the sum of the A.P. is

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2 mn

1/2 mn

mn

mn²

To each element of a group there corresponds ______ inverse element

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Two

One

No

Three

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100x ⁹⁹

100x ¹⁰¹

-99x ⁹⁹

-100x ¹⁰¹

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quadrant I

quadrant II

quadrant III

quadrant IV

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