Statement
Please do not lean out of the running bus, a notice in a tourist bus.
Assumptions
I. Learning out of running bus is dangerous.
II. The passengers are likely to pay attention to this notice.

As per given question, the letter series is following the below pattern.
o o p q
Using the same pattern, we will get complete letter series.
o o p q/ o p o q/ o o p q/ o p o q/o o p q

After rearranging the given word DREO , we can form only one word.
Required word = RODE

Simmer is to cook slowly and boil is when it is heated very heavily in the same way drizzle is raining slowly and down pour is very heavy rainfall suddenly.

Based on the conclusion table, (c) is the right answer

India has to be definitely selected, therefore Japan cannot be selected.

As per the above given table, We can replace the each capital from given relationship for LKFZOS , We will get
L ? m
K ? z
F ? k
Z ? b
O ? x
S ? n
Hence , the required answer will be mzkbxn.

Night is the only one where the moon is in sky. The rest timing is releted with sun.