Look at this series: 15, __, 27, 27, 39, 39,...What number should fill the blank?
51
39
23
15
Correct Answer : D
Look at this series: 72, 76, 73, 77, 74, __, 75,...What number should fill the blank?
JAK KBL LCM MDN _____
CMM EOO GQQ _____ KUU