The angle in radian through which a pendulum swings and its length is 75 cm and the tip describes an arc of length 21 cm is

(A)

^{7}/_{25} radians

(B)

^{25}/_{7} radians

(C)

^{7}/_{23} radians

(D)

25 radians

Question-2

The angle between the minute hand and the hour - hand of a clock at 4 : 40 PM is

(A)

40^{o}

(B)

45^{o}

(C)

60^{o}

(D)

75^{o}

Question-3

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 ?

(A)

12^{o}

(B)

13^{o}

(C)

14^{o}

(D)

15^{o}

Question-4

The radian measure of 25^{o} is

(A)

π^{c}

(B)

(C)

(D)

Question-5

Taking the sun’s distance as 1.4950 x 10^{8} km and the angle subtended by the sun at a point on earth as half a degree. Approximately, the diameter of the sun is

(A)

1.304637 x 10 ^{7} km

(B)

1.304637 x 10^{ 6} km

(C)

1.403367 x 10^{ 6} km

(D)

1.340637 x 10 ^{6} km

Question-6

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

(A)

2 cm

(B)

1.75 cm

(C)

1.57 cm

(D)

1.55 cm

Question-7

The circular system of 104^{o} 36’ is

(A)

900 π radians

(B)

^{900}/_{523 }π radians

(C)

^{523}/_{900} π radians

(D)

^{523}/_{900 π} radians

Question-8

The degree measure of^{ 5π}/_{3} is

(A)

100^{o}

(B)

200^{o}

(C)

300^{o}

(D)

400^{o}

Question-9

The circular measure of two angles of a triangle are ^{1}/_{2} radian and ^{1}/_{3}, radian. What is the number of degrees in the third angle ?

(A)

132^{o }16' 21 ^{9}/_{11}"

(B)

- 132^{o }16' 21 ^{9}/_{11}"

(C)

123^{o }16' 21"

(D)

None of these

Question-10

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

(A)

60^{o}

(B)

45^{o}

(C)

80^{o}

(D)

40^{o}

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