... Backwards.5 19. Which number should come next in the series 1, 3, 6, 10,15 , ……… Answer: 21 20. Which number should come next in the series? 13, 57, 911, 1315, 1719 Answer: 2123 21. If ... 3-7-2-4-8-1-5, are read backwards as …………… Answer: 5-1-8-4-2-7-3.3Created by HA_VIP HA_VIP Page 1 2/6 /201 4 1. Hanger is to closet as tree is to…… Answer: Branch 2. What would be the next number in ... three times as old as he is. When the boy is 12 years old, how old will his sister be? Answer: 20 14. Two girls caught 25 frogs. Lisa caught four times as many as Jen did. How many frogs did...