Sol : Option 4 The series is xypzy/ xypzy/ xypzy. Thus, the pattern ' xypzy' is repeated.
Q.7. SAB, ?, QCD, PDD, OEF, NFF
Sol : Option 4 First letter in every group is in reverse alphabetical order i.e. SRQPON. The middle letter is in alphabetical order i.e ABCDEF and the last letter has pairs, BB, DD & FF.
Q8. _ x _ y _ xyxx _ yxy _ xyyx
Sol : Option 4 The series is yxx/yyx/ yxx/yyx/ yxx/yyx. Thus, the pattern yxx/yyx is repeated.
Q9.BAZ, DBY, FCX, ?
Sol : Option 4 The third, sixth and ninth letters are in the reverse order of the alphabet i.e.Z,Y, X, W. Ist fourth and seventh letters are going up with a gap of one letter and II, V and VIIIth are moved ahead one letter.
Q. 10 _ yz _ zx _ xyx _ z _ zxzxy
Sol : Option 1 The series is xyz/yzx/zxy /xyz/yzx/zxy . So, the letters change places in a cyclic manner.