4. A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. XXXOXXX, XXXXOXX, XXOXXXX, XXXXXOX, XOXXXXX, ?
5. A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. Abcd, ghIJ, Mnop, stUV, Yzab, ?
7. A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series: FED , IHG , LKJ , ONM, ?