If $ROPE$ is coded as $6821$ and $CHAIR$ is coded as $73456$,then what will be the code for $CRAPE$?

In a certain code,$REFRIGERATOR$ is coded as $ROTAREGIRFER$. Which word would be coded as $NOITINUMMA$?

If bangle is called cassette,cassette is called table,table is called game and game is called cupboard,then which is played in the tape recorder?

In a certain code language:
$(A)$ 'pit dar na' means 'you are good';
$(B)$ 'dar tok pa' means 'good and bad';
$(C)$ 'Him na tok' means 'they are bad'.
To find the answer to the above question,which of the following statements can be dispensed with?

The word $EXPAND$ has been written in four different codes by applying four different rules. Identify the rule applied to the word $MICROWAVE$ to obtain the code $FXDATXJQV$ from the given alternatives.
$EXPAND$ $(a)$ $FYQBOE$ $(b)$ $EPDTCR$ $(c)$ $GYRBPE$ $(d)$ $CWNZLC$
$MICROWAVE$ : $FXDATXJQV$

In a certain code language,'$479$' means 'fruit is sweet','$248$' means 'very sweet voice' and '$637$' means 'eat fruit daily'. Which digit stands for 'is' in that code?