How much will it cost to fence in a field that is 360 cm long and 160 cm wide with fence that cost Tk. 100 a meter?
A 1020
B 1040
C 1060
D 1070
Solution
Correct Answer: Option B
মাঠটির Length = 360 cm = 3.6 m
এবং Width = 160 cm = 1.6 m
মাঠটির Perimeter = 2 (3.6 + 1.6) = 2 × 5.2 = 10.4 m
সম্পূর্ণ মাঠটি বেড়া দিতে মোট খরচ = 10.4 × 100 = Tk. 1040