From the root 'FORM', which of the following is NOT a valid word formation?

D. FORMULATE

In the sequence 1, 2, 4, 8, 16, 32, how many times does the number 4 occur?

A. 1

Which of the following words is an example of a prefix added to the root 'ACT'?

A. REACT

In the sequence 7, 14, 21, 28, 35, 42, how many times does the number 28 occur?

A. 1

What is the correct word formed by adding a suffix to the root 'CREATE'?

A. CREATION