Q 1: Find the radian measure corresponding to 37^{o}30^{l}. 5/8 5/24 5/4

Q 2: Find the length of an arc of a circle of radius 10 cm which subtends an angle of 45^{o} at the centre. 5/4 7/4 3/4

Q 3: The sines of the angles of a triangle are in the ratio of 4:5:6, find the ratio of the cosines of the angles. 4:5:2 12:9:2 2:3:4

Q 4: If in two circlesarcs of the same length subtend angles 60^{o} and 75^{o} at the centre, find the ratio of their radii. 2:3 1:2 5:4

Q 5: A vertical flagstaff stands on a horizontal plane from a point distant 150 metres from its foot, the angle of elevation of its top is found to be 30^{o}, find the height of the flagstaff. 100 metres 113.4 metres 100.4 metres

Q 6: The elevation of a tower at a point 60 metres from it is cot^{1}3/5 Obtain the height of the tower. 45 metres 110 metres 100 metres

Q 7: In a circle of diamter 40 cm, the length of a chord is 20 cm. Find the length of the minor arc of the chord. 20/3 /3 5/3

Q 8: The angles of a triangle ABC are in AP and b:c = 3^{1/2}:2^{1/2}. Find angle A. 45 degrees 75 degrees 60 degrees

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