Question

To make the teaching, learning process easier, creative and innovative a teacher brings clay in the
classroom to teach the topic mensuration. She thought this method of teaching is more interesting,
leave a long lasting impact. She forms a cylinder of radius 6cm and height 8cm with the clay, then
she moulds the cylinder into a sphere and asks some questions to students(use pi=3.14)
(i) The radius of the sphere so formed is:
a. 6 cm b. 7 cm c. 4 cm d. 8 cm
(ii)The volume of the sphere so formed is :
a. 902.32 cm3 b. 899.34 cm3 c. 904.32 cm3 d. 999.33 cm3
(iii) The total surface area of the cylinder is:
a. 527.57cm2
b. 557.55 cm2 c. 534.32 cm2 d. 527.52 cm2
(iv) What is the ratio of the volume of a sphere to the volume of a cylinder?
a. 1:2 b. 2:1 c. 1:1 d. 3:1
(v) During the conversion of a solid from one shape to another the volume of the new shape will:
a. increase b. decrease c. remain unaltered d. be double

Answer 1

Answer:

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