1 .
ABC is a triangle. It is given that a + c > $90^o$, then b is

Greater than $90^o$
Less than $90^o$
Equal to $90^o$
Cannot be said

2 .
If the sides AB and AC are equal in ABC and L, M and N are midpoints of the sides BC, CA and AB respectively, then the figure AMLN is a
Rhombus
Parallelogram
Square
Rectangle

3 .
The expression $1 \over tan3A - tanA$ - $1 \over cot3A - cotA$ is
cot 2A
tan 2A
cot 3A
tan 3A

4 .
If cosec $\theta$ = x + $1 \over 4x$ then the value of cosec $\theta$ + cot $\theta$ is
2x
- 2x
$1 \over \sqrt {2x}$
$1 \over \sqrt {3x}$

5 .
The value of the expression 2($sin^6$ $\theta$ + $cos^6$ $\theta$) - 3 ($sin^4$ $\theta$ + $cos^4$ $\theta$) + 1 is
1
- 1
0
2

6 .
The value of $cos^2$ is
0
1
2
3

7 .
The value of sin$36^o$.sin $72^o$.sin $108^o$.sin $144^o$ is
0
$3 \over 16$
$1 \over 16$
$5 \over 16$

8 .
The value of sin $47^o$+ sin$61^o$- sin $11^o$- sin $25^o$ is
cos $7^o$
cos $18^o$
sin $18^o$
cos $15^o$

9 .
If cosec $\theta$ + cot $\theta$ = $11 \over 2$, then the value of tan$\theta$ is
$17 \over 117$
$44 \over 117$
$13 \over 117$
$22 \over 117$

10 .
The sum of twenty consecutive even numbers is 980. Then find the greatest number
66
72
68
90