Question
The sum of the radius and height of a cylinder is 19m.
The total surface area of the cylinder is 1,672 m². What is the volume of the cylinder?Solution
Surface area of the cylinder = 1,672 m². ⇒ 2πr (r + h) = 1,672 m² ⇒ 2 × 22/7 × r × 19 = 1,672 m² ⇒ r = `(1672xx7)/(2xx22xx19)` = 14 ∴ h = (19 - 14)m = 5m ∴Volume of the cylinder = πr² h = `22/7xx14xx14xx5` = 3,080m³
- Choose the word that is opposite in meaning to the given word.
Generous In each question below, four words printed in bold type are given. These are numbered (A), (B), (C) and (D). One these words printed in bold might eith...
Using or containing more words than are needed
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virtuous
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Identical
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