4. A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. Acute angle, right angle, obtuse angle, ?
7. A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. Nanga Parbat, Kanchenjunga, Mount GodwinAusten, ?
10. A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. Mesopotamian civilization, Egyptian civilization, ? , Chinese civilization