Jharne De and Ranjana Kumar Solutions for Chapter: Commercial Mathematics, Exercise 5: Test Paper 2

Find the whole quantity if $7.5 \%$ of it is $15$.

Divide $16$ toffees between Jai and Viru so that they get $25\%$ and $75\%$ respectively.

The price of an article is $₹1050$. There is an increase of $12.5\%$in the price. If the new price of that article is $₹k$, find $k$ in decimal number.

There are$16$ girls and $24$ boys in a class. Find the percentages of each in the class.

If $15\%$ of a certain quantity is $225$, find the whole quantity.

If $7$ people can drink $10$ litres of juice in a day, how many litres of juice can $14$ people drink?

In how many years will a sum of money triple itself at $10\%$ interest per annum?

In how many years will a sum of money triple itself at $10\%$ interest per annum?