Arrange the given words in Alphabetical Order and tick the once that comes middle.

B. VIBRATE

Choose or find odd letter group - ABDG , IJLO , MNPS , RSUY , PQSV

D. RSUY

Choose or find odd word - Mackenzie , Yenisei , Michigan , Danube

C. MICHIGAN

Choose or find odd pair of words - (Profit : Loss) , (Wise : Foolish) , (Virtue : Vice) , (Seduce : Attract)

D. SEDUCE : ATTRACT

How many 7's are there in the following series which are preceded by 6 which is not preceded by 8 ?
8  7  6  7  8  6  7  5  6  7  9  7  6  1  6  7  7  6  8  8  6  9  7  6  8  7

D. THREE