Question

A ground 100 × 80 m² has two crossroads in its middle. The road parallel to the length is 5 m wide and the other road is 4 m wide, both roads are perpendicular to each other. The cost of laying the bricks at the rate of ₹ 10 per m², on the roads, will be: 

विकल्प

• ₹700

• ₹ 800

• ₹900

• ₹1000

Answer 1

₹ 800

Explanation:

Area of path roads 

= 5 × 100 + 4 × 80 - 5 × 4

= 500 + 320 - 20

= 800 m²

Cost of Laying 800 × 10 = ₹ 8000