Question

A is twice as good a workman as B and together they finish a piece of work in 18 days. In how many days will A alone finish the work ?​

Answer 1

Answer:

An Olfactory indicator is a substance whose smell varies depending on whether it is mixed with an acidic or basic solution. ... Simply put, olfactory indicators are substances which have a different odour in acid and base solutions. For eg: Vanilla extract has a characteristic pleasant smell, onion and clove oil, etc.