alleryટ્રેપેઝિયમની સમાંતર બાજુઓ છે 18 m અને 30 m, ઊંચાઈ 10 m સાથે. પેવિંગનો ખર્ચ ₹12 પ્રતિ m². કુલ ખર્ચ?
A₹2160
B₹2880
C₹3600
D₹5760
Answer & Solution
Correct answer: B. ₹2880
વિસ્તાર છે (18+30)×10/2 = 240 m²;
પેવિંગ ખર્ચ 240×₹12 = ₹2880.
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