Question

A design on the wall a design on the wall of room consists of 1000 tiles of shape of a parallelogram if altitude and base of a tile is 10 cm and 4 respectively find the cost of polishing it at the rate of rupees 9.50 per DM square ​

Answer 1

Area of parallelogram = breath multiply by height
= 10cm multiply by 4 cm
= 40 sq.cm
1000 tiles multiply by area of 1parallelogram tile
=1000 multiply by 40 sq.cm
=40000 sq.cm
40000/10 dm
=4000 sq.dm
Cost of polishing = total area multiply by rate
Cost of polishing = 4000 multiply by 9.50
Cost of polishing = ₹ 38,000 per 4000 sq.dm