Arrange the given words in alphabetical order and choose the one that comes in the second place.

If it is possible to make a meaningful word out of the second,the fourth,the fifth and the eighth letters of the word $ILLOGICAL$,then which of the following will be the third letter of the so formed word? If more than one word can be formed,then give $X$ as the answer. If no meaningful word can be formed,then give $Z$ as the answer.

Each of the following questions is based on the following alphabet series.
$A, B, C, D, E, F, G, H, I, J, K, L, M$
$N, O, P, Q, R, S, T, U, V, W, X, Y, Z$
If the first and the second letters interchange their positions,and similarly the third and the fourth letters,the fifth and the sixth letters,and so on,which letter will be the seventeenth from your right?

Number of letters skipped in between adjacent letters in the series increases by one. Which of the following series observes this rule?

Arrange the given names in the order in which they would occur in a telephone directory and choose the one that comes in the middle.

Find which one word cannot be made from the letters of the given word: $KNOWLEDGE$.