alleryA trapezium has parallel sides 18 m and 30 m, with height 10 m. Paving costs ₹12 per m². Total cost?
A₹2160
B₹2880
C₹3600
D₹5760
Answer & Solution
Correct answer: B. ₹2880
Area is (18+30)×10/2 = 240 m²; paving costs 240×₹12 = ₹2880.
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