Verbal Reasoning - Mental Ability Questions

In a certain code, 592 means 'grapes are sweet', 374 means 'I like oranges' and 267 means 'oranges are sour'. Which digit represents sour?

If HEAR is written as KJHA, then MILK can written as

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

WAX, YED, AIJ, CMP, ?

From point A, Ram moves 100m in north ­east direction, he again turns and moves 100m in south­east direction. He again turns and covers 100m south-west and finally covers 100m in north­ west direction. In which direction is he now with respect to A?

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
a _ bc _ a _ bcdabc _ da _ cd _

In the following question, select the related number from the given alternatives.
48 : 63 : : 80 : ?

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

2, 3, 5, 9, 17, ?