##### Area and Volume Quantitative Aptitude Questions Page-2

9) Find total area of a cylinder, radius of whose base is 20 cm and whose height is 30 cm.
(A) 3142 cm2
(B) 6285 cm2
(C) 37704 cm2
(D) 3770 cm2

10) Find the volume of a cylinder if r = 14 cm and h = 80 cm.
(A) 49280 cm3
(B) 3520 cm3
(C) 7040 cm3
(D) 281600 cm3

11) Find the curved surface area of a cone of height 28 dm with a base of radius 21 dm.
(A) 35 dm2
(B) 2310 dm2
(C) 770 dm2
(D) 49 dm2

12) The radius of the base of a wooden cone is 3.5 cm. Its slanting height is 4 cm. Find the area of its total surface.
(A) 44 cm2
(B) 38.5 cm2
(C) 82.5 cm2
(D) 15.5 cm2

13) Find, the volume of the cone when the radius of its base is 15 m and its altitude is 28 m.
(A) 6600 m3
(B) 2200 m3
(C) 440 m3
(D) 2100 m3

14) A garden is 40 m long and 24 m wide. All along the border there is a pavement 3 m wide on the inner side of the garden. Find area of the pavement.
(A) 960 m2
(B) 612 m2
(C) 348 m2
(D) 110 m2

15) A room is 6.5 m long, 5 m wide and 4.5 m high. Find area of the four walls.
(A) 51.75 m2
(B) 103.5 m2
(C) 146.25 m2
(D) 110 m2

16) The area of following trapezium is?

(A) 125 sq cm
(B) 132 sq cm
(C) 139 sq cm
(D) 97 sq cm