The area of a square field 3136 sq m, if the length of cost of drawing barbed wire 3 m around the field at the rate of Rs.1.50 per meter. Two gates of 1 m width each are to be left for entrance. What is the total cost?
Rs.1014
Rs.1140
Rs.999
Rs.1085
Explanation:
$a^2$ = 3136 => a = 56
56 $\times$ 4 $\times$ 3 = 672 - 6 = 666 $\times$ 1.5 = 999