Two-fifths of one-third of three-seventh of a number is $15$. What is $40$ per cent of that number?

If $20 \%$ of $a = b$,then $b \%$ of $20$ is the same as: (in $\%$ of $a$)

$A$ student has to obtain $33 \%$ of the total marks to pass. He got $125$ marks and failed by $40$ marks. The maximum marks are

Mr $X$ invested a certain amount in Debt and Equity Funds in the ratio of $4:5$. At the end of one year,he earned a total dividend of $30\%$ on his investment. After one year,he reinvested the amount including the dividend in the ratio of $6:7$ in Debt and Equity Funds. If the amount reinvested in Equity Funds was $Rs$ $94,500$,what was the original amount invested in Equity Funds (in $,000$)?

$a \%$ of $b + b \%$ of $a =$

The greatest value among $16 \frac{2}{3} \%$,$6 \frac{2}{3} \%$,and $0.3$ is: