Given Data

1. Six friends P, Q, R, S, T, and U scored different marks in an exam.
2. U scored more than P, Q, R, S, and T.
3. P scored more than Q, but less than U.
4. Q scored more than S and T.
5. S scored more than T.
6. R scored less than T.

Question

Who scored the lowest marks?

Answer

R.

Solution

1. Translate given clues into a single order chain: U > P > Q > S > T > R.
2. R is at the very bottom of the chain.
3. Therefore, R scored the lowest marks.