WBCS Mains 2019 Official Paper-VI

Choose the odd one out from the options given below:

In a certain language, $\text{MIRACLE}$ is coded as $\text{NKUEHRL}$, then how is $\text{GAMBLE}$ coded in that language?

In a certain code language, $\text{STRING}$ is written as \% = * - \ \div$and$ \text{PRAISE}$as$? * @ - \% \times$.Howwilltheword$ \text{GRAPES}$ be written in that code language?

Pointing out to a lady, Rajan said, "She is the daughter of the woman who is the mother of the husband of my mother". Who is the lady to Rajan?

Nine cricket fans are watching a match in a stadium. Seated in one row, they are J, K, L, M, N, O, P, Q and R. L is at the right of M and at third place at the right of N. K is at the end of the row. Q is seated adjacent to both O and P. O is at the third place at the left of K. J is right next to the left of O.
Who is sitting at the centre of the row?