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.