A tricky problem

[billzhao]

Any efficient methods to this kind of problem?

[cramya]

https://www.beatthegmat.com/number-line- ... 23333.html

Please see solution by Mals above and my following post.

Number line problems are nothing but absolute value problems in disguise and they basically test if we can figure out the positives and negatives and their relative distance or possible position in the number line.

Hope this helps!


Regards,
CR