If in a certain language $SECURE$ is coded as $ERUCES$,how is $SALINE$ coded in that code?

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.
$EXPAND$ $(a)$ $FYQBOE$ $(b)$ $EPDTCR$ $(c)$ $GYRBPE$ $(d)$ $CWNZLC$
$MUSHROOM$ = ?

In a certain code language,
$(A)$ 'mxy das zci' means 'good little frock'
$(B)$ 'jmx cos zci' means 'girl behaves good'
$(C)$ 'nvg drs cos' means 'girl makes mischief'
$(D)$ 'das ajp cos' means 'little girl fell'
Which of the given statements is superfluous?

In a certain code language,$DREA$ is written as $BFSE$,$MING$ is written as $FMHL$,and $TREA$ is written as $BFSU$. How will $TISE$ be written in that code?

In a certain code '$MOTHER$' is written as $OMHURF$. How will '$ANSWER$' be written in that code?

If $DELHI$ is coded as $73541$ and $CALCUTTA$ as $82589662$,how can $CALICUT$ be coded?