then x equals to
1
13
27
25
D.
25
S.B.S.
If 'O' is the incentre of the Δ PQR. If ∠POR = 115° then value of ∠PQR is
40°
65°
50°
25°
The in-radius of triangle is 4 cm and its area is 34 sq cm. The perimeter of the triangle is
8.5 cm
17 cm
34 cm
20 cm
A certain number of men can do a piece of work in 60 days. If there were 6 men more, the work can be finished 20 days earlier. The number of men working is
6
12
18
24
The area of a Δ ABC is 10.8 cm2. If CP = PB and 2AQ = QB, then the area of the Δ APQ is:
3.6 cm2
0.9 cm2
2.7 cm2
1.8 cm2
ABCD is a trapezium in which AD || BC and AB = DC = 10 m. Then the distance of AD from BC is
10√2 m
4√2 m
5√2 m
6√2 m
From the top of a building 60 m high, the angle of depression of the top and bottom of a tower are observed to be 30° and 60°. The height of the tower (in metre) is:
40
45
50
55
If a circle of radius 12 cm is divided into two equal parts by one concentric circle, then radius of inner circle is
6 cm
4 cm