Sum of the medians compared with the perimeter (inequalities)

This type of question, asked 3 times: CDS 1 2018, CDS 2 2019, CDS 1 2022. All 3 questions below, oldest first.

Try each one first, then open its answer.

Question 1 (case study, 2 parts)
CDS 1 2018
Consider the following for the next two (02) questions : In a triangle ABC, a, b and c are the lengths of the sides and p, q and r are the lengths of its medians.
89 $Which one of the following is correct ?$
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90 $Which one of the following is correct ?$
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Question 2
CDS 2 2019
90 $AB + BC + CA > 2AD$
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Question 3
CDS 1 2022
77 $Consider the following statements : 1. The sum of any two sides of a triangle is less than twice the median drawn to the third side. 2. The perimeter of a triangle is greater than the sum of the three medians. Which of the above statements is/are correct?$
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Question 1 (case study, 2 parts)