Verbal Reasoning - Mental Ability Questions

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.

8 x 10 ÷ 20 - 5 + 14 = ?

If P means '/', R means 'x', Q means '+' and S means '-', then 36 P 6 Q 7 R 8 S 11 =

In a certain code, if GREAT is coded as JOEJK then ZEBRA is coded as

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

DSL, FUN, HWP, ?, LAT

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

a _ c a a b _ a _ b c a a b _ a _ b _ a

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

MPK, NRN, OTQ, PVT, ?

Which answer figure will complete the pattern in the question figure? 

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

LNP, MOQ, NPR, ?, PRT