Which is not viral

In a certain code language, if BOSS is written 2151919, how will the HIGH be written in the same language?

Statement: FR ≥ S

Conclusions:

i) L > S

ii) L > R

Select the correct option from the following.

In the following question, select the missing  number of the given series.

108, 129, 104, ?, 100, 137, 96

Four of the following five are equal in a certain way and form a group.

Which one is not related to that group?

Select the number from among the given options that can replace the question mark (?) in the following series.

62, 74, 80, 86, 95, ?, 158

Select the option figure that will replace the question mark (?) in the figure given below to complete the pattern.

Four of the following five are similar in a certain way, which creates a group. 

Which of these is not related to this group? 

U, R, Y, S, W

Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.

Which letter-cluster will complete the given series?

BHERZ, DGHTX, FFKVV, _________