Question

The span of a boy is 1/6 of his height and his arm
three times his span. What is his height, if his arm
is 48 centimetre ?
five times​

Answer 1

The corrosion of iron with moist air is known as rusting. When an iron object is exposed to air in the presence of moisture, it gets corroded and reddish brown flaky substance, which is known as rust, is formed. ... Rust once formed, causes more and more rusting until the whole of the metal is eaten up.