Two angles of a triangle are  and  The measure of the third angle in degree  is

The diameter of garden roller is 1.4 m and it is 2 m long. The area covered by the roller in 5 revolution is

• 4.4 m²

• 44 m²

• 16.8 m²

• 8.8 m²

ABCD is a trapezium, such that AB = CD and AD || BC. AD = 5 cm,  BC = 9 cm. If area of ABCD is 35 sq cm, then CD is

• 5 cm

• 6 cm

• 

• 

The diameters of two circles are the side of a square and the diagonal of the square. The ratio of the areas of the smaller circle and the larger circle is

• 1 : 4

• 

• 

• 1 : 2

Three sides of a triangular field are of length 15 m, 20 m and 25 m long, respectively.

• 750

• 150

• 300

• 600

If the median drawn on the base of a triangle is half its base, then the triangle will be

• obtuse angled

• equilateral

• right angled

• acute angled

A person observed that he required 30 s time to cross a circular ground along its diameter than to cover it once along the boundary. If his speed was 30m/min, then the radius of the circular ground is 

• 10.5 m

• 3.5 m

• 5.5 m

• 7.5 m

108.

If the perimeter of a rectangle and a square are equal and the ratio of two adjacent sides of the rectangle is 1 : 2, then the ratio of area of the rectangle and that of the square is

• 1 : 1

• 1 : 2

• 2 : 3

• 8 : 9

If the arcs of square length in two circles subtend angles of 60° and 75° at their centres, the ratio of their radii is

• 3 : 4

• 4 : 5

• 5 : 4

• 3 : 5

A horse is tied to a post by a rope. If the horse moves along a circular path always keeping the rope stretched and describes 88 m when it has traced out 72° at the centre at the length of the rope is 

• 70 m

• 75 m

• 80 m

• 65 m