1. A vessel is 5 cm long and its base is triangular having sides 2 cm, 3 cm and 4 cm, then the curved surface area of vessel is
(a) 40 cm^2
(b) 45 cm^2
(c) 46 cm^2
(d) 48 cm^2
2. A solid right circular cylinder of radius 8 cm and height 2 cm is reformed into a right circular cone of height 3 times that of cylinder. The slant height of cone is
(a) 6 cm
(b) 8 cm
(c) 10 cm
(d) 12 cm
3. A sphere of diameter 6 cm is dropped in a right circular cylindrical vessel partly filled with water. The radius of cylinder is 9 cm. If the sphere is completely submerged in water, then the level of water rises by
(a) 0.44 cm
(b) 0.64 cm
(c) 1 cm
(d) None of these
4. A tent is cylindrical upto a height 3 m and conical above. If the diameter of the base is 105 m and the slant height of the conical part is 53 m, then total canvas used in making the tent is
(a) 9007 m^2
(b) 9875 m^2
(c) 9573 m^2
(d) 9735 m^2
5. The area described by the second hand of 14 cm of a clock between 9 : 35 am and 10 : 15 am is
(a) 147 cm^2
(b) 150 cm^2
(c) 154 cm^2
(d) 11.40 cm^2
6. The area of figure adjoining by an equilateral triangle of 14 cm side each and semi-circles inscribed on its a sides as diameter is
(a) 700.9 cm^2
(b) 722.8 cm^2
(c) 622.8 cm^2
(d) 546.77 cm^2
7. The area of a circle inscribed in an equilateral triangle is 36π sq units. The length of altitude of triangle is
(a) 12 units
(b) 14 units
(c) 16 units
(d) 18 units
Note :Answers will be updated soon....................
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