Question # 1

If the sum of the roots of the equation kx² - 2x + 2k = 0 is equal to their product, then the value of k is:

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1

2

3

4

If the matrices A & B have the orders 2×3 and 5×2 then order BA is:

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3×5

5×2

2×2

none

No. of arrangements of the letters of the word PAKPATTAN can be made, taken all together ?

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15130

15120

1512

none of these

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sin (α + ß) =

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The range of principal sine function is:

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The period of cot 2x is:

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Solution set of the equation x² - 3x + 2 = 0 is

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{-1, 2}

{1, -2}

{-1, -2}

{1, 2}

The domain of principal cosine function is:

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G.M between -2i and 8i is:

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4 or -4

4i or -4i

2 or -2

none

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1 + cos Θ

1 - cos Θ

What is called the arrangement of numbers formed according to some definite rule ?

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arithmetic sequence

geometricsequence

sequence

none of these

If S is a sample space and event E is S then P(E) is:

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0

1

>1

none

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set builder notation

tabular form

descriptive method

non-set builder method

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5

14

20

6

If AB = BA = I, then A and B are:

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equal to each other

multiplicative inverse of each other

additive inverse of each other

both singular

Sum of all three cube roots of unity is:

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1

-1

0

3

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If z = x + i y = r (cos Θ + i sin Θ), then arg z is:

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tan Θ

cos²Θ + sin²Θ

r

Θ

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scalarmatrix

diagonalmatrix

lower triangularmatrix

uppertriangularmatrix

csc (2π - Θ), where Θ is a basic angle, will have terminal side in:

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quad. I

quad. II

quad. III

quad. IV

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Mathematics FA Part 1 Online Test MCQs With Answers

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