Mathematics
A hard card-board is cut in the shape as shown alongside. It is given a full round about its line of symmetry (shown by the dotted line). The solid so formed has :
(i) One cone and one cylinder
(ii) Two cones and one cylinder
(iii) One cone and two cylinders.
Which of the statements given above is true ?
only (i)
only (ii)
only (iii)
(ii) and (iii)
Mensuration
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Answer
The triangle on rotation will form a cone, while two rectangles will form two cylinders.
Hence, Option 3 is the correct option.
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