Question

5. An oil tin is cuboidal in shape with dimensions 45 cm x 36 cm x 25 cm. Find :
(a) Area of the tin sheet required to make 15 such tins.
(b) Cost of the tin sheet for making these tins at the rate of ₹ 25 per square metre.
6. A box with lid is in the form of a cuboid with dimensions 60 cm x 50 cm x 25cm. Find the cost of painting its outside at the rate of Rs 1.5 per cm².
(7). A swimming pool has the dimensions 30 m × 25 m × 12 m. Find the cost of
cementing its floor and walls at the rate of ₹32 per square metre.
8. The floor of an auditorium has a perimeter of 300 m. If its height is 8 m, find the cost of painting its four walls at the rate of ₹15 per square metre.​

Answer 1

Answer:

sorry I don't know this question answer

mark me as brainlist please