CALCULATION OF AREA, SURFACE AREA AND VOLUME

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Aptitude and Reasoning Course Volume Area, Surface area and SITAMS, Chittoor Page 30
Aptitude and Reasoning Course Volume Area, Surface area and E. Previous Exam Questions: 1.If the volume of a sphere is divided by its surface area, the result is 27 cm. The radius of the sphere is___cm. [C.D.S. 2005] a)9 cm b)36 cm c)54 cm d)81 cm 2. Spheres A and B have their radii 40 cm and 10 cm respectively. The ratio of the surface area of A to the surface area of B is: [Bank P.O. 2000] a)1:4 c)4:1 b)1:16 d)16:1 3. Surface area of a sphere is 2464 sq. cm. If its radius be doubled, then the surface are of the new sphere will be [Bank P.O. 2001] a)20 b)15 c)100 d)5 4.If the radius of a sphere is doubled, how many times does its volume become [S.S.C. 2000] a)2 times b)4 times c)6 times d)8 times 5.If the radius of a sphere is increased by 2 cm, then it surface area increases by 352 sq. cm. The radius of the sphere before the increase was___ cm. [C.D.S. 2006] a)3 b)4 c)5 d)6 6.If the measured value of the radius is 1.5% larger, the percentage error (correct to one decimer place) made in calculating the volume of a sphere is [Bank P.O. 2003] a)2.1 c)4.6 b)3.2 d)5.4 7.A cylindrical vessel of radius 4 cm contains water. A solid sphere of radius 3 cm is lowered in to the water until it is completely immersed. The water level in the vessel will rise by___cm. [Infosys 2009] a)2/9 b)4/9 c)9/4 d)9/2 SITAMS, Chittoor Page 31
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CALCULATION OF AREA, SURFACE AREA AND VOLUME

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