4. A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series. -7.25, -5.75, -4.25, -2.75, ? , 0.25
6. A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series. 99, 90.7, 82.4, ? , 65.8, 57.5