MCQ 11 Mark
The central angle of a sector of circle of area 9π sq.cm is 60°, the perimeter of the sector is
- Aπ
- B3 + π
- ✓6 + π
- D6
Answer
View full question & answer→Correct option: C.
6 + π
6 + π
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8 questions · auto-graded multiple-choice test.
MCQ 21 Mark
Find the measure of the angle between hour- hand and the minute hand of a clock at twenty minutes past two.
- ✓50°
- B60°
- C54°
- D65°
Answer
View full question & answer→Correct option: A.
50°
50°
MCQ 31 Mark
20 metres of wire is available for fencing off a flower-bed in the form of a circular sector of radius 5 metres, then .the maximum area (in sq. m.) of the flower-bed is
- A15
- B20
- ✓25
- D30
Answer
View full question & answer→Correct option: C.
25
MCQ 41 Mark
Angle between hands of a clock when it shows the time 9 :45 is
- A(7.5)°
- B(12.5)°
- C(17.5)°
- ✓(22.5)°
Answer
View full question & answer→Correct option: D.
(22.5)°
(22.5)°
MCQ 51 Mark
A pendulum 14 cm long oscillates through an angle of 12°, then the angle of the path described by its extremities is
- A$\frac{13 \pi}{14}$
- B$\frac{14 \pi}{13}$
- C$\frac{15 \pi}{14}$
- ✓$\frac{14 \pi}{15}$
Answer
View full question & answer→Correct option: D.
$\frac{14 \pi}{15}$
$\frac{14 \pi}{15}$
MCQ 61 Mark
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 traces the angle of 12° at the centre, then the length of the rope is
- ✓70 m
- B55 m
- C40 m
- D35 m
Answer
View full question & answer→Correct option: A.
70 m
70 m
MCQ 71 Mark
156° is equal to
- A$\left(\frac{17 \pi}{15}\right)^c$
- ✓$\left(\frac{13 \pi}{15}\right)^c$
- C$\left(\frac{11 \pi}{15}\right)^c$
- D$\left(\frac{7 \pi}{15}\right)^c$
Answer
View full question & answer→Correct option: B.
$\left(\frac{13 \pi}{15}\right)^c$
$\left(\frac{13 \pi}{15}\right)^c$
MCQ 81 Mark
$\left(\frac{22 \pi}{15}\right)^c x$ is equal to
- A246°
- ✓264°
- C224°
- D426°
Answer
View full question & answer→Correct option: B.
264°
264°