Question # 1

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The number of diagonals of a polygon with n sides is:

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none of these

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

The other name of quadratic equation is:

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linear equation

1st degree equation

2nd degree equation

none

In triangle the length of the sides are 7, 4√3 and √13. Then the smallest angle is:

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15°

30°

60°

45°

Conjugate of complex number (-a, -b) is:

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(-a, b)

(-a, -b)

(a, -b)

none of these

(1 - cos²Θ) (1 + cot²Θ) =

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tan²Θ

0

1

-1

The amplitude and period of 3 sin x are:

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3, π

2, 2π

3, 3π

3, 2π

The sum of 10 A.Ms between 3 and 47 is:

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50

250

100

500

If any two rows of a square matrix are interchanged, the determinant of the resulting matrix:

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is zero

is multiplicative inverse of the determinant of the original matrix

is additive inverse of the determinant the original matrix

none of these

Number of terms in the expansion of (x+y)⁶ is:

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7

6

2

8

No. of ways of solving a quadratic equation:

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1

3

2

4

If the initial side of an angle is the positive x-axis and the vertex is at the origin, the angle is said to be in the _____________:

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initial position

finalposition

normalposition

standardposition

A function f(x) is said to be the periodic function if, for all x in the domain of f, there exists a smallest positive number p such tat f (x + p) = ________:

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f (p)

x + p

0

f(x)

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1

0

2

3

What is the next term in the sequence 10, 7, 4, 1...........?

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2

-2

-3

none of these

If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the quotient P(x) + Q(x) will produce a polynomial of degree:

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m . n, plus a quotient

m - n, plus a remainder

m ÷ n, plus a factor

m + n, plus a remainder

If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the product P(x) . Q(x) will be a polynomial of degree:

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m . n

m - n

m + n

m × n

When two sides and included angle is given, then area of triangle is given by:

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all of these

-2 sin α sin ß =

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sin (α + ß) + sin (α - ß)

cos (α + ß) + cos (α - ß)

cos (α + ß) - cos (α - ß)

cos (α - ß) + cos (α - ß)

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