... should come next in the series 2 1, 3, 6, 10,15 , ……… Answer: 21 20 . Which number should come next in the series? 13, 57, 911, 1315, 1719 Answer: 21 23 21 . If two typists can type two ... month. Answer: Fifth 28 . The numbers, 3-7 -2- 4-8-1-5, are read backwards as …………… Answer: 5-1-8-4 -2- 7-3. 29 . The odd numbers in this group add up to an …. Number: 15, 32, 5, 13, 82, 7.3Created ... 2 3 5 8 12 17 ?? Answer: 23 .45. WOLF is to FLOW as 8 526 is to……… Answer: 625 8.46. Which city is the odd one out? Paris, Rome, Seville,...