‘Noise’ is to ‘Din’ as ‘Quiet’ is to..... ?

‘Roentgen’ is to ‘X-rays’ as ‘Becquerel’ is to ... ?

Statement ‘Buy pure and natural honey of company X’. An advertisement in a newspaper.
Assumptions
I. Artificial honey can be prepared.
II. People do not mind paying more for pure and natural honey.
III. No other company supplies pure honey.

Statement A State Government suspended two additional district judges.
Assumptions
I. They were negligent in discharging duties.
II. There was a charge of misconduct against them.
III. The government officials were biased against them.

Statements Some buses are four wheelers.
All four wheelers are vans.
Conclusions I. Some vans are buses.
II. Some buses are vans.

Statements
All peacocks are lions.
Some tigers are peacocks.
Conclusions
I. Some lions are not tigers.
II. All tigers are lions.
III. Some tigers are lions.
IV. All peacocks are tigers.

Complete the series
M, O, Q, S, ?, W

Complete the series
HK, GL, FM, EN, ?

Complete the series
TKP, UJR, VIT, WHV, ?

Select the pair which has the same relationship
Paper : Ream :: ?