111). Find each interior of a regular pentagon.
| A). \( \Large 108 ^{\circ} \) |
| B). \( \Large 105 ^{\circ} \) |
| C). \( \Large 103 ^{\circ} \) |
| D). \( \Large 101 ^{\circ} \) |
|
112). Calculate each exterior angle of a regular octagon.
| A). \( \Large 36 ^{\circ} \) |
| B). \( \Large 39 ^{\circ} \) |
| C). \( \Large 40 ^{\circ} \) |
| D). \( \Large 45 ^{\circ} \) |
|
113). ABCD is a rhombus with diagonals AC and BD. Then, which one among the following is correct?
| A). (a) AC and BD bisect each other but not necessarily perpendicular to each other. |
| B). (b) AC and BD are perpendicular to each other but not necessarily bisect each other. |
| C). (c) AC and BD bisect each other and perpendicular to each other. |
| D). (d) AC and BD neither bisect each other nor perpendicular to each other. |
|
114). What is the diameter of the circle having 3 cm radius?
| A). 6 cm |
| B). 12 cm |
| C). 1.5 cm |
| D). 8 cm |
|
115). A wheel makes 4000 revolutions moving a distance of 44 km. Find radius of the wheel.
| A). 15 m |
| B). 27 m |
| C). 25 m |
| D). None of the above |
|
116). If the area of a semi-circle be 77 sq.m. find its perimeter.
| A). 36 m |
| B). 42 m |
| C). 48 m |
| D). 54 m |
|
117). The inner circumference of a circular race track 7 m wide is 440 m. Find the radius of the outer circle.
| A). 57 m |
| B). 68 m |
| C). 77 m |
| D). 69 m |
|
118). Find the length of a rope by which a cow must be tethered in order that it may be able to graze an area of 154 sq m.
| A). 7 m |
| B). 8 m |
| C). 12 m |
| D). 13 m |
|
119). A man riding a bicycle, completes one lap of a circular field along its circumference at the speed of 14.4 km/h in 1 min 28 s. What is the area of the field?
| A). 7958 sq m |
| B). 9856 sq m |
| C). 8842 sq m |
| D). Cannot be determined |
|
120). Find the area of a square inscribed in a circle of radius 4 cm.
| A). 32 sq cm |
| B). 18 sq cm |
| C). 64 sq cm |
| D). 25 sq cm |
|
