In an entrance examination,Ritu scored $56\%$ marks,Smita scored $92\%$ marks,and Rina scored $634$ marks. The maximum marks of the examination are $875$. What are the average marks scored by all the three girls together?

The first and second numbers are less than a third number by $30 \%$ and $37 \%$,respectively. The second number is less than the first by: (in $\%$)

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

The price of sugar has fallen by $10 \%$. How many quintals can be bought for the same money which was sufficient to buy $18$ quintals at the higher price?

$A$'s salary is $20 \%$ less than $B$'s salary. Then $B$'s salary is more than $A$'s salary by:

Mr. Sarang invests $6 \%$ of his monthly salary,i.e.,$Rs.$ $2,100$ on insurance policies. He also invests $8 \%$ of his monthly salary on Family Mediclaim Policies and another $9 \%$ of his salary on $NSCs$. What is the total annual amount invested by Mr. Sarang?