Question

A lidless rectangulatr water tank made of zinc plate is 2m long, 1.5m board and 1 m high.
(i)How many square meter of zinc are used i the tank ?
(ii) How many litres of water does it does it hold when it is full ?
(iii) Find the cost of zinc plates of RS 1200 per sq.m.

Answer 1

Answer:

1)13 , 2)3000 ltr ,3) 15600 rs

Step-by-step explanation:

surface area of rectangular water tank=

2 (lb+lh+bh)

2 (2×1.5+2×1+1.5×1)

2 (3+2+1.5)

=2 (6.5)

=13

ans:1)13 sq m of zinc are used for tank.

volume=lbh

=2×1.5×1=3m^3

1m^3=1000 l

3m^3=3000 l

ans:2)capacity of tank =3000 ltr

1 sq.m-1200 rs

13 sq.m-13×1200 rs

=15600rs

ans:3) cost of zink plates =15600 rs

Answer 2

Answer:

1) 10m2
2)3000LITRES
3) RS.12,000

Step-by-step explanation: