Find which one word cannot be made from the letters of the given word.
$T R I B U N A L$

If each vowel of the word $WEBPAGE$ is substituted with the next letter of the English alphabet,and each consonant is substituted with the letter preceding it,which of the following letters will appear thrice?

Number of letters skipped in between adjacent letters in the series is two. Which one of the following alternatives observes this rule?

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

$A$ group of letters is given which are numbered $1, 2, 3, 4, 5$ and $6$. Below are given four alternatives containing combinations of these numbers. Select the combination of numbers so that the letters arranged accordingly form a meaningful word.
$R, M, N, B, U, E$
$1, 2, 3, 4, 5, 6$

$A$ group of letters is given which are numbered $1, 2, 3, 4, 5$ and $6$. Below are given four alternatives containing combinations of these numbers. Select the combination of numbers so that the letters arranged accordingly form a meaningful word.
$A, E, H, R, K, N$
$1, 2, 3, 4, 5, 6$