JIPMAT (LR) PYQs

In the word 'SOLUTION', how many pairs of letters are there in the word that have as many letters between them as they do in the English alphabet?

The water image of the figure is

A square park $P Q R S$ of side $90 \mathrm{~m}$ is so located that its diagonal $P R$ is from north to south and the corner $Q$ is to the west of $S$. Radha and Mohan start walking along the sides from $Q$ and $R$ respectively in clockwise and anti-clockwise directions with speeds of $8 \mathrm{~km} / \mathrm{hr}$ and $10 \mathrm{~km} / \mathrm{hr}$. Where will they cross each other the second time ?