Question

find the cost of painting a cuboid
of dimension 15cm x 10cm x 8em at
the rate of 5 paisa per square
centimeter)
23​

Answer 1

Step-by-step explanation:

We Know That 5 paise = 1/20 of a rupees

surface area of cuboid 2lb + 2bh + 2hl

=> 2 × 15 × 10 + 2 × 10 × 8 + 2 × 8 × 15

=> 300 + 360 + 240

= 900cm²

Now the cost of painting = 900 × 1/20

= ₹45 in rupees and 4500 in paises