Verbal Reasoning - Mental Ability Questions

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

M_N_M_MR_R_N

If DIJOB means CHINA, then the last letter of the word got by decoding KBQBO is

In a certain language KINDLE is coded as ELDNIK, how is IMPOSING coded in that code?

Johnson left for his office in his car. He drove 15km towards North and then 10km towards West. He then turned to the South and covered 5km. Further he turned to East & moved 8km. Finally he turned right and moved 10km. How far & in which direction is he from his starting point?

Select the missing number from the given responses?

Prasad moves towards North a distance of 10 km after which, he turns towards East and travels 20 km at which point, he turns South and continues for another 10 km. Finally, he moves 7 km West. How far is he from the starting point?

In the following question, by using which mathematical operators will the expression become correct?
15 _ 3 _ 4 _ 20

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

Beijing Olympics, London Olympics, Rio Olympics, ?