If air is called green,green is called blue,blue is called sky,sky is called yellow,yellow is called water and water is called pink,then what is the colour of clear sky?

If in a certain code,$TWENTY$ is written as $863985$ and $ELEVEN$ is written as $323039$,how is $TWELVE$ written in that code?

If $CERTAIN$ is coded as $XVIGZRM$,how can $MUNDANE$ be coded?

In a certain code,'$37$' means 'which class' and '$583$' means 'caste and class'. What is the code for 'caste'?

The word $EXPAND$ has been encoded using four different rules,resulting in four alternatives. Identify the rule applied to the word $MUSHROOM$ from the given options.
$EXPAND$ $(a)$ $FYQBOE$ $(b)$ $EPDTCR$ $(c)$ $GYRBPE$ $(d)$ $CWNZLC$
$MUSHROOM$ = ?

If in a certain language,$GAMBLE$ is coded as $FBLCKF$,how is $FLOWER$ coded in that code?