What is the correct word formed by adding a prefix to the root 'visible'?

A. INVISIBLE

In the series 2, 4, 8, 16, what is the next number?

C. 32

In a certain code, 'FISH' is written as 'GJTI'. How would 'BIRD' be written in that code?

A. CJSF

If 'APPLE' is written as 'BQQMF', what is the code for 'GRAPE'?

A. HSBQF

In a certain language, 'MANGO' is coded as 'NBOPH'. How is 'LEMON' coded?

A. MFMPO