Question

6. Which is more costlier?
(a) Painting a wall of side 15 m, at the rate of 5 per sq cm.
or
(b) Painting a wall 3 m x 5 m, at the rate of 5 per sq cm.​

Answer 1

Answer:

painting wall of side 15 m

Answer 2

Answer:

(b) is more costlier

Step-by-step explanation:

painting a wall of side 15m=1,500cm

Rate of painting per sq.cm =₹5

total cost of painting= 1,500*5=₹30,000

painting a wall of side 3m * 5m= 300cm * 500cm= 1,50,000 cm

Rate of painting per sq.cm =₹5

total cost of painting = 1,50,000 * 5= ₹7,50,000