Question # 1

A triangle which is not right angle triangle called ________ triangle:

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acute

obtuse

right

oblique

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- cot Θ

- tan Θ

tan Θ

none of these

If a_n-1 = 2n - 3 then a_n+1 =

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2n - 1

2n + 1

2n + 3

none

No. of ways of solving a quadratic equation:

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1

3

2

4

Arithmetic series is only possible if:

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|d| = 1

|d| < 1

|d| > 1

none

The period of sec 3x is :

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The probability that a number selected from the numbers 1, 2, 3, 4, 5, ......, 16 is a prime number is:

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No. of signals made by 4 flags of different colors using 2 flags at a time:

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6

12

60

none

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p is false and q is true

both p and q are false

p is true and q is false

both p and q are true

For a positive integer n:

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(n+1)! = (n+1)n!

(n+1)! = (n+1)(n-1)!

n! = n(n+1)!

none of these

Sum of all odd numbers between 100 and 200 is:

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6200

6500

3750

7500

sec (2π + Θ), where Θ is a basic angle will have terminal side in:

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quad. I

quad. II

quad. III

quad. IV

In a triangle ABC b = √3, c = 1, α = 30° then a = :

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2

1

3

-1

Probability of a certain event is:

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0

1

>1

∞

Which number cannot be a term of a geometric sequence ?

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0

1

-1

r

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

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all of these

Conjugate of -3 -2 i is:

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3 + 2i

-3 + 2i

2 + 3i

-2 + 3i

If n is a positive integer, then the binomial co-efficient equidistant form the beginning and the end in the expansion of (x+a)ⁿ are:

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same

not same

additive inverse of each other

none of these

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tan x

cot x

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

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7

6

2

8

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