Mathemagic-2 Fill the next in series. 1. 4 , 8 , , , 20 , , 4 2 2. 12 3 8 ? 3 4 5 ? 3. 5 8 7 10 9 12 ? ? 4. 24 28 30 34 36 40 42 ? 5. If + = – then, 3 – 4 × 2 2 + 3 = – = * * = 6 × 3 – 4 2 + 4 = = + 23 — 3