Read, analyze and understand the following real life situation problems, decide whether it is permutation or combination then solve.
1. During the roll-out vaccination for CoVid-19 at BRTTH, many people are eager to be vaccinated. Now, in how many ways can 5 people be seated in a row of 5 seats if 2 of them insist on sitting beside each other despite of strict implementation of Social Distancing?
2. The Municipal Mayor of Daraga, Hon. Victor Perete wants to create a committee on monitoring the cases of CoVid-19 in Daraga. In how many ways can a committee of 5 be formed from 6 Brgy. Councilors and 8 Municipal Councilors if the committee must have 2 Brgy. Councilors and 3 Municipal Councilors?
3. In line with the proper protocol for CoVid -19, there is a scenario in a ticketing office wherein four passengers are spotted not following the Social Distancing. How many ways can these 4 passengers arrange themselves in a row for buying ticket observing Social Distancing?
4. A box contains 6 sinovac 8 Pfizer and 7 sinophram. In how many ways can 6 covid-19 vaccines brand be chosen if there should be 2 vaccines of each brand?

need answer ASAP​