Question

Which of the following is the correct order of the sentences after rearrangement? P. We lived in very small groups, about 50 people, groups that never really got larger than 150. Q. They can cheat on the group with impunity. R. So when you start having anonymous strangers in groups, what that means is that people can free ride on the group. S. Azim Shariff, a psychology professor and author, says, “For the vast history of our species, we didn't live in large groups. T. And the reason for that is because from a genetic standpoint, we’re only built to be able to cooperate with so many people as we can know well.

Q: Answer-Which of the following is the correct order of the sentences after rearrangement? P. We lived in ve...

The correct order of the sentences is SPTRQ. Here, S gives the introduction, hence is t he first sentence. P is the continuation of the first sentence. So, it comes second. T gives the reason for the fact mentioned in S and P. It is the third sentence. Q comes after R because they in Q refers to anonymous strangers in groups in R.