Teacher : Classroom :: Chef : ?

A. KITCHEN

Fish is to Swim as Bird is to ?

A. FLY

In the series 5, 10, 15, 20, 25, 30, how many times does the number 15 appear?

A. 1

In the series 4, 8, 12, 16, 20, how many times does the number 12 appear?

A. 1

In the sequence 7, 14, 21, 28, 35, how many times does the number 21 occur?

A. 1