A train is travelling on a curve of 500 mt radius at the rate of 66 k ph. Through what angle will it turn in 20 seconds ?

The circular system of 104^o 36’ is

In which quadrant 800^o lies ?

The angle  between the minute hand and the hour hand of a clock at 10.40 pm is

If the arc of the same length in two circles subtend angles 75^o and 120^o at the centre, then the ratio of their radii is

Length of an arc of a circle of radius 3cm, if the angle subtended at the centre is 30^o

The radian measure of 240^o is

A horse is tied to a post by a rope. If the horse moves along a circular path always keeping the rope tight and describes 88 metres when it has traced out 72^o at the centre. Then the length of the rope is :

The length of an arc of a circle of radius 10 cm  which subtends an angle of 45^o at the centre is

In a circle of diameter 40cm the length of a chord is 20 cm. The length of the minor arc of the chord is