Verbal Reasoning - Mental Ability Questions

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
H__JH__IJHHI__HH__JH

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

HVJ, NBP, THV, ZNB, ?

If a mirror is placed on the line AB, then which of the answer figures is the right image of the given figure?

If CHANTED is coded as ZEXKQBA, then how will MAY be coded as?

A car travels 17 km South, then turns East and travels 11 km, then turns North and travels 9 km, then turns to its left and travels 11 km. Where is the car now with reference to its starting position?

Two lady cyclists A and B start from the same point. A cycles 3.5 km West, then turns to her right and cycles 7 km. B cycles 1 km East, then turns North and cycles 7 km, then turns to her left and cycles 2 km. Where is B with respect to A now?

If the second half of the given series is reversed, then what will be the fifth term to the left of the ninth term from the right?

9$YX8N6OLBUJZT@1QFD%

Select the related number from the given alternatives.
7.25 : 7.75 :: 9 : ?