Question

1. In a park of dimensions 20 m × 15 m, there is a L shaped 1m wide flower bed as shown in Fig. 9.61. Find the total cost of manuring for the flower bed at the rate of Rs 45 per m2.

Answer 1

Area of the flower bed = Area of the park – Area of the park other than the flower bed

= 20 × 15 – (15-1) × (20–1)

= 300 – 266 = 34 m2

Total cost of manuring for the flower bed at the rate of Rs 45 per m2 = 34 × 45 = Rs. 1530