In a certain coding system, 'RIVER' is coded as '1892218'. What is the code for 'WATER'?

A. 23120520

In a certain code, if 'DOG' is coded as '415', how is 'CAT' coded?

A. 312

If 'HOUSE' is coded as '89123' and 'COTTAGE' is coded as '4567890', what is the code for 'CAGE'?

A. 4567

In a certain code, 'HELLO' is written as 'IFMMP'. How would 'WORLD' be coded in the same way?

A. XPSME

In a coding scheme, 'COW' is coded as '456' and 'MOO' is coded as '789'. What is the code for 'WOO'?

B. 789