If S scored 23 marks less than the marks scored by Q, which of the following could possibly be R’s score ?

The data provided to us is:
Amongst five friends, P, Q, R, S and T, each scored different marks in an examination out of a total of 100 marks. S scored more than only T. R scored less than P. Only one person scored more than Q.

This data can be arranged in order of marks from highest to lowest as-

Now, Q has scored 87 marks and S must have scored 64 marks. R's score will lie between these two scores.

Naturally, R'sscre will be 78 i.e option E
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