Question # 1

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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For every positive integers n 1+5+9+....+ (4n - 3) is

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n(2n - 1)

(2n - 1)

n - 1

n

The fifth term of the sequence a_n= 2n + 3 is ______

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13

-13

8

3

If n∈Z+ then(a+x)n is a/an

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Finite series

Convergent series

Infinite series

Divergent series

If f(x) = x²then f(0) is

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0

1

2

none of these

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None of these

The number of 5-digit number that can be formed from the digits 1,2,4,6,8, when 2 and 8 are never together is

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72

48

144

20

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sin h x

cos h x

tan h x

cot h x

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

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2x + y > 7

x - y > 2

3x + 5y < 6

2x + y < 6

The complement of set A relative to universal set U is the set

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X

φ

Universal set

If 0 is not an integral multiple of π/2 then Cot⁴ θ+ Cot² θ=?

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Cosec⁴ θ -Cosec²θ

Tan θ - Tan² θ

Cosec² θ + Cosec θ

Sinθ Cosθ

The set {1, -1, i, -i}, form a group under

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addition

multiplication

subtraction

None

Sin^-1 √3/2 =?

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2π/3

π/2

π/3

v/5

The set { {a,b} } is

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{X/X∈ A∧x ∈ U}

{X/X∉ A∧x ∈ U}

{X/X∈ A and x ∉ U}

A-U

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

The set of complex numbers forms a group under the binary operation of

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0

±1

1

{0,1}

Every prime number is also

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Rational number

even number

Irrational number

multiple of two numbers

What is the conjugate of -7 -2i ?

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-7 + 2i

7 + 2i

7-2i

√53

The curves y =x², y= x interest at

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(0,0) ,(1,1)

(2,4)

(0,),(2,4)

(0,3),(-1,1)

If ab > 0 and a < 0, which of the following is negative?

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b

-b

-a

(a - b)²

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