Which letter is positioned immediately after the letter T in the English alphabet?

B. U

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

A. INVISIBLE

Which word is formed by adding both a prefix and a suffix to the root 'place'?

B. PLACEMENT

In the series A, B, C, D, E, F, G, H, I, J, how many times does the letter 'E' appear?

A. 1

What comes next in the series: Z, Y, X, W, ?

A. V