Question

Rakesh has decided to build a swimming pool which is 100 m by 20 m and has an average depth of 2 m, as shown in the figure, He is discussing with his son Rohit about his plan to build the pool, put tiles on the bottom of the pool and other requirements of the pool. Can you help Rohit to answer the following questions which his father has asked in the discussion?
a) What is the volume of water in the pool?
i. 2,000 m3
ii. 3,000 m3
iii. 4,000 m3
iv. 5,000 m3

b) What is the surface area of the pool?
i. 2400 m2
ii. 2480 m2
iii. 2500 m2
iv. 2580 m2

c) If Rakesh plans to cover the bottom and sides of the pool with square tiles having side 20
cm, how many such tiles will be required?
i. 62,000
ii. 62,500
iii. 63,000
iv. 64,000

d) If each tile costs Rs 10, how much will be the total cost?
i. Rs 6,20,000
ii. Rs 6,25,000
iii. Rs 6,30,000
iv. Rs 6,40,000

Answer 1

Answer:

a. volume = 100 × 20 × 2 = 4000m³

c. 62,000

d. Rs. 62,00,000

Step-by-step explanation:

hope it helps

Answer 2

Answer:

volume is 4000m3

surface area is abt 2400m2

62000 tiles required

total cost is abt rs. 620000