Question

A casting of 400mm 200mmx 140mm solidifies in 20 min.The solidification time of casting of dimension400mm 200mm 5mm under identical state is​

Answer 1

Answer:

1. How many wooden poles are needed for the fence?

2. What is the length of the barbed wire she needs?

3. Find the cost of wire, if I metre costs Rs. 10.

4. If the number of rounds is increased to 5 then how much ex money is needed for

fencing?

Answer 2

Answer:

3.3 min is the time required for solidification