Question # 1

Any recurring decimal represents a

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Irrational no

Integer

Rational no

None of these

The series obtained by adding the terms of a geometric sequence is called

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Infinite series

Arithmetic series

Geometric series

Harmonic series

The third term of a G.P. is the square of first term. If the second term is 8, then the 6th term is

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120

124

128

132

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Matrices are represented by

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Natural numbers

Real numbers

Small letters

Capital letters

n! > 2ⁿ-1 is true when

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n≤ 3

n≤ 6

n≥ 4

n≤ 6

Find a if 1 is a root of the equation x²+ ax + 2 = 0

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3

-3

2

0

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

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18, 20

19, 22

20, 25

21, 27

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In R the number of identity element w.r.t '+' is

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One

Two

Three

Four

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If the exponent in the binomial expansion is 6, then the middle term is

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2nd term

3rd term

4th term

5th term

Period of sin 3x is ______

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If a variable y dependents on a variable x in such a way that each value of x determines exactly one value of y, then we say that

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x is function of y

y is a function of x

y is independent variable

x is real valued function

Every term of a G.P. is positive and also every term is the sum of two preceding terms. Then the common ratio of the G.P. is

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(1, 2) is in the solution of the inequality

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2x + y > 8

2x + y < 6

2x - y > 1

2x + 3y < 2

An equation of the form ax + by = k is homogeneous linear equation when

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b = 0, a = 0

a = 0,b ≠ 0

b = -0,a≠ 0

a≠ 0,b≠ 0, k = 0

{1, 2, 3} is _____

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an infinite set

A finite set

A singleton set

Universal set

w²⁹= ______

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0

1

w

w²

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π

2π

π/2

None of these

If the vertex of the parabola is the origin and directrix is x+5 = 0 . then its latus rectum is:

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10

5

0

20

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0

U

u/2

log u

The equation of the normal to the circle x²+ y²= 25 at (4, 3) is

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3x - 4y =0

3x - 4y =5

4x + 3y = 5

4x + 3y = 25

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a sec(ax + b) + c

- a sec(ax + b) + c

The set of whole numbers is subset of

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The set on integers

The set of natural numbers

{1, 3, 5, 7, ....}

The set of prime numbers

For each natural number n, n (n+1) is

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an even

an odd

multiple of 3

Irrational

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If Sin A = sin B, cos A = cos B, then the value of A in terms of B is

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Five engineering, four mathematics, two chemistry books are placed on a table at random.The probability that the books of each kind are all together is

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