Half of $1$ per cent written as a decimal is

In an examination,there are three papers and a candidate has to get $35 \%$ of the total to pass. In one paper,he gets $62$ out of $150$ and in the second $35$ out of $150$. How much must he get,out of $180$,in the third paper to just qualify for a pass?

$P$ is $20\%$ more than $Q$ and $40\%$ less than $R$. If the value of $Q$ is $₹ 150$,then what is the value of $R$ (in $₹$)?

What is the $40 \%$ of $50 \%$ of $\frac{3}{4}$ of $3200$?

Due to an increase of $30 \%$ in the price of eggs,$3$ eggs less are available for $₹ 7.80$. The present rate of eggs per dozen is:

If inflation increases at a rate of $8 \%$ p.a.,what will a $₹ 20$ article cost at the end of two years?