Q. Assume that (R,T) is the usual Euclidean topological space. Let ((1,6), T1,0)) be the relative topology on [1,6 induced by T. Then the interval set (3,6 a. is open and not closed in ((1,6).T1,6)....

Topology please help

Extracted text: Q. Assume that (R,T) is the usual Euclidean topological space. Let ((1,6), T1,0)) be the relative topology on [1,6 induced by T. Then the interval set (3,6 a. is open and not closed in ((1,6).T1,6). b. is closed and not open in (1,6, T1,5). c. is clopen in (1,6), T1.0). d. is neither open nor closed in ([1,6, T1,6). a d.