Q.5 The points P, Q, R, S, T, U, A and B on the number line are such that, TR = RS = SU and AP = PQ = QB. Name the rational numbers represented by P, Q, R and S.

Rational numbers represented by P, Q, R and S. \(\frac{7}{3} \),\(\frac{8}{3} \),\(\frac{-4}{3} \)and \(\frac{?-5}{3} \) respectlvely.