Question # 1

The set of natural is a semi group w.r.t

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Addition

Division

Subtraction

None of these

The line Ax + By + C = 0 will touch the circle x²+ y²=λ when

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C²=λ(A²+ B²)

A²=λ(A²+ C²)

B²=λ(A²+ C²)

None of these

The geometrical representation of a linear function is

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Circle

Parabola

Straight lie

None of these

A line segment whose end points lie on a circle is called

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the secant of the circle

the arc of the circle

the chord of the circle

the circumference of the circle

5 unbiased coins coins are tossed simultaneously. The probability of getting at least one head is

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1 / 32

31 / 32

1 / 16

None of these

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Commutative law of multiplication

Closure law of multiplication

Associative law of multiplication

Multiplication identity

the largest degree of the terms in the polynomials is called

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terms of the polynomial

degree of a polynomial

co-efficient

monomial

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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sin h x

cos h x

sec h x

cosec h x

The set (Z,+) forms a group

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Forms a group w.r.t addition

Non commutative group w.r.t multiplication

Forms a group w.r.t multiplication

Doesn't form a group

Find the next two terms of 7, 9, 12, 16,...

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18, 20

19, 22

20, 25

21, 27

The feasible region which can be enclosed within a circle is called

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Bounded region

Convex region

Unbounded region

None

The distance of the point (-2 , -3) from x-axis is

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2

-3

3

5

A circle drawn inside a triangle and touching its sides is called

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In-circle

Circum circle

Escribed circle

None of these

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If 2x^1/3+ 2x^-1/3= 5, then x is equal to

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1 or -1

2 or 1/2

8 or 1/8

4 or 1/4

If t is the parameter for one end of a focal chord of the parabola y²= 4ax, then its length is

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Any point, where f is neither increasing nor decreasing and f(x) = 0 at that point, is called a

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Minimum

Maximum

Stationary point

Constant point

The value of sin [ arc cos (-1/2)] is

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1/2,1/3,1/4,1/5.........is

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a geometric sec

an arithmetric series

finite sequence

an infinite sequece

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none of these

If the expansion of (1 + x)²⁰, then co-efficient of rth ad (r + 4)th term are equal, then r is

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7

8

9

10

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none of these

The total number of subsets that can be formed out of the set {a, b, c} is

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1

4

8

12

∀a,b ε R, ab = be is a

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Commutative law of multiplication

Closure law of multiplication

Associative law of multiplication

Multiplicative identity

202.04 is an example of

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Recurring decimals

Non-recurring decimals

Terminating decimals

None of these

The set {x|x∈N∧x-4=0} in tabular form is

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{-4}

{0}

{}

None of these

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