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OtisamLMS
Core Mathematics

Core Mathematics · Quick practice · answer shown after each question

Surface areas and volumes

Question 1 of 10

Question 1 of 10

A cone has base radius 6 cm and height 8 cm. Find its slant height.

Question 2 of 10

Question 2 of 10

Find the curved surface area of a cylinder with a radius of 3.5 cm and a height of 10 cm. (Take π = 22/7.)

Question 3 of 10

Question 3 of 10

Find the total surface area of a closed cylinder of radius 7 cm and height 10 cm. (Take π = 22/7.)

Question 4 of 10

Question 4 of 10

A hemispherical bowl of radius 9 cm holds how much water? (π = 22/7)

Question 5 of 10

Question 5 of 10

A cone of height 12 cm and base radius 5 cm has a curved surface area of

Question 6 of 10

Question 6 of 10

Find the volume of a cone with a radius of 3 cm and a height of 7 cm. (Take π = 22/7.)

Question 7 of 10

Question 7 of 10

Find the curved surface area of a cylinder of radius 7 cm and height 5 cm (π = 22/7).

Question 8 of 10

Question 8 of 10

Find the curved surface area of a cone with radius 6 cm and slant height 10 cm, in terms of π.

Question 9 of 10

Question 9 of 10

A solid cylinder of radius 3 cm and height 8 cm is melted and recast into spheres of radius 1 cm. How many spheres are made?

Question 10 of 10

Question 10 of 10

A sphere and a cube have equal volumes. If the cube has side 4 cm, the radius of the sphere is about (π = 3.14)

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.