Question # 1

The 31 term of the A.P 5,2,-1.....is

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-82

82

85

-85

The number of combinations of 10 different objects taken 8 objects at a time is

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90

45

55

50

Form a group of 5 men and 3 women, a committee of 4 persons is to be selected randomly. The probability that there is a majority of men is

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1/4

1/3

1/2

1/6

A function whose range is just one elements is called

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One-one function

Constant function

Onto function

Identity function

(1+w)(1+w2)(1+w4)(1+w8)....50 factors

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0

-1

1

2

The coefficient of x¹⁰in the expansion (x³+3/x²)¹⁰is

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1700

17023

17027

17010

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For two vector a and b, a+b = _______

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a b

b+a

b-a

None

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tanθ/2

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6 is

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A prime integer

An irrational number

A rational number

A odd integer

Sin(a + b) + Sin(a- b) =

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Sin a Cos b

Sin a Sin b

Sin a + Cos b

Sin a - 2Cos b

∫cot (ax + b) dx =

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1/a log |sin (ax + b)| +c

1/a log |cos ax + b)

1/b |sin (ax + b)|

1/a log |sin (bx + a)|

P(x) = 2x⁴ -3x³ +2x-1 is polynomial of degree

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1

2

3

4

If P(E) is the probability that can event will occur then P(E)=

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1

0.5

2

0

The value of Cos (1/2 Cos^-1 1/2) is equal to

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√3/2

-3/4

1/16

1/4

3/2 is

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An irrational number

Whole number

A positive integer

A rational number

The equation of the normal to the circle x² + 2² = 25 at (4,3) is

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3x -4y =0

3x -4y= 5

4x + 3y=5

4x - 3y =25

The set of all positive even integers is

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Φ

{1,2,3}

{Φ}

{0}

Given X, Y are any two sets such that number of elements in X=28, number of elements in set Y=28, and number of elements in set X∪Y=54, then number of elements in set X∩Y=

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-7 + 2i

7 + 2i

7-2i

√53

Which is an explicit function

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y = x² +2x -1

x² +xy +y² =2

xy² -y +9/xy =1

All are

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