40. A filed measures 450 mte in length and 250 mtr in width. What
will be the cost of erecting a fence along its perimeter if the rate of
fencing is chargeable at 50 paise per meter:
a)Rs. 700 b)Rs.650 c)Rs.750
d)None of these
Answers
Answered by
0
Answer
Perimeter of fied =2(l+b)
=2(450+250)
=2(700)
=1400m
Cost of fencig 1 meter-50paise
Cost of fencing field-1400*50-70000paise-Rs.700
.
Answered by
0
Length = 450 m
Breadth = 250 m
Perimeter of a rectangle =
∴ Cost of fencing = (Perimeter)(Rate)
=> Cost = Rs [2(450 + 250)] × (0.5)
{1 Re = 100 Paise.}
=> Cost = Rs ½(1400)
=> Cost = Rs 700.
Therefore, a) Rs 700 is the correct option.
More: Area of rectangle = .
Similar questions