If B = 2, MAT = 34, then JOGLEX =?

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

One evening, Raja started to walk toward the Sun. After walking a while, he turned to his right and again to his right. After walking a while, he again turned right. In which direction is he facing? 

In a certain code language, '-' represents 'x', '÷' represents '+', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.
15 - 6 + 10 x 3 ÷ 2 = ?

If in a certain code, 95789 is written as EGKPT and 2436 is written as ALUR, then how will 24539 be written in that code?

Select the letters related to the given words.
AZBZ : CYDY :: EXFX : ?

What is the next term in this series?
L, D, O, E, R, F, ?

In these questions certain pairs, group and numbers are given out of which all except one are similar in some manner while one is different.

Choose the odd number pair group in each of the following questions: