If lead is called stick,stick is called nib,nib is called needle,needle is called rope and rope is called thread,what will be fitted in a pen to write with it?

If green means red,red means yellow,yellow means blue,blue means orange and orange means green,what is the colour of clear sky?

In a certain language,'pre nat bisf' means 'smoking is harmful','vog dor nat' means 'avoid harmful habit',and 'dor bis ye' means 'please avoid smoking'. Which of the following means 'habit' in that language?

In a certain code $DESIGN$ is written as $FCUGIL$,how is $REPORT$ written in that code?

If 'cinto baoli tsi mro' means 'her village is Sarurpur'; 'mhi cinto keepi tsi oind' means 'her first love is literature' and 'oind geit tsi cinto pki' means 'literature collection is her hobby',which word would mean 'literature'?

In a certain code,$INSTITUTION$ is written as $NOITUTITSNI$. How is $PERFECTION$ written in that code?