reoc, pgme, nikg, Ikii, ?
1595 15f5f2f4d2e2c8928233f1d655f5f2f4d2e2c8928233f1d65Direction: What should come in place of the questions mark (?) in the following letter series?
a, k, e, o, i, s, ? __ ? _ , q , a , u , e
Direction: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it.
ab_bba _ _bba _abb _ _a