Answer:
(-4,8),(-2,6),(-1,5)
Step-by-step explanation:
There are six cards numbered -4,-2,-1,5,6,8
The cards need to be arranged into 3 pairs such that the sum of each pair is the same.
Note that the numbers are arranged in ascending order and include equal number of positive and negative integers. For the required property to be satisfied, largest positive card needs to be paired with largest negative card ; smallest positive card needs to be paired with smallest negative card and the middle positive card needs to be paired with middle negative card.
So the pairing will be as follows:
(-4,8),(-2,6),(-1,5)
Note that the sum of each of these pairs is 4.