DEMO TEST

Trigonometry

100

value of tanA .CotA 

1

200

max value of sinx is -min value of cosx is ....?

1

300

tan²A -sec²A= ......?

-1

400

in triangle ABC if angle B is right angle then value of cos (A+C) is ...........?

0

500

1 degree is equal to how many minutes ?

60

Geometry

100

A ladder leans against a vertical wall. The top of the ladder is 8 m above the ground. When the bottom of the ladder is moved 2 m farther away from the wall, the top of the ladder rests against the foot of the wall. What is the length of the ladder?

17 M

200

The length of the common chord of two circles of radii 15 cm and 20 cm, whose centres are 25 cm apart, is

24 CM

300

The area of the triangle whose vertices are (a, a), (a + 1, a + 1) and (a + 2, a) is

1 

400

if each side of triangle is become triple then how much percent area will be increased ?

700 %

500

Number of diagonals of a polygon having sides 12 ?

54 

Algebra

100

What is the degree of  zero polynomial ?

not defined 

200

value of x+1/x is always ...?

greater or equal to 2

300

Minimum value of 4^x +4^1-x  is .............?

4

400

On article E shopkeeper earn 50 Rs. which is 20% of C.P. what is the difference between cost price and mark price of article.

230

500

A train crosses a bridge and a platform of length 450 m and 700 m in 20 sec and 30 sec respectively. Find the speed of the train.  

25 M/sec