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The table lists three tins. Which tin has the greatest curved surface area?

Class 8Surface Area of a CylinderMensuration

ATin R
BTin Q
CAll are equal
DTin P

Step-by-Step Solution

CSA = 2π

r h

, so compare

r \times h

: P gives

7 \times 10 = 70

, Q gives

5 \times 15 = 75

, R gives

10 \times 6 = 60

. Tin Q has the largest CSA.

Answer: B) Tin Q

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