How many meaningful English words not ending with D can be made with the third, fifth, seventh and ninth letters of the word  STEADFAST  using each letter only once in each word(All letters are counted from left to right)?

CODING AND DECODING :

In a certain code ABRACADABRA is coded as ZYIZXZWZYIZ. How will the word HOCUSPOCUS be coded in that code language?

CODING AND DECODING :

In a certain code language DECEMBER is written as RDEEBCME. How will FEBRUARY be written in that code language?

CODING AND DECODING :

In a certain code SUCCESS is written as TWFGJYZ. How will the word MIRACLE be written in that language?

CODING AND DECODING :

12 is related to 36. In the same way as 17 is related to _____

CODING AND DECODING :

In a certain code,  @  implies  DIVIDE ,  *  implies  SUBTRACT ,  $  implies  MULTIPLY  and  #  implies  ADDITION , then,

                 25  $  2  #  9   $  4  @  2  *  5  =  ?

CODING AND DECODING :

In a certain code MEADOWS is written as RVNENFB. How is PRIESTS written in that code?

CODING AND DECODING :

In a certain code BAKE is written as 3@#7 and BIND is written as 342%. How is DEAN written in that code?

CODING AND DECODING :

In a certain code JOURNEY is written as TNISZFO. How is BONDING written in that code?

CODING AND DECODING :

In a certain code RAIL is written as 5796 and TAPE is written as 3748. How is PAIR written in that code?

CODING AND DECODING :

In a certain code DUPLICATE is written as MRVFJFVBE. How is CARTOUCHE written in that code?