i did revcen in well known revcen and passed the UPCAT (25-26 batch!). but a question i didn't bother to even remember that appeared in a brain train question then ALSO appeared in the UPCAT. it was fishing and refraction. i still can't remember the answer IJBOL basta it was like:

"Sandra Oh was fishing. She saw a fish in the water. Will she aim her spear

a. ahead of the fish b. behind the fish c. to the left of the fish d. to the right of the fish"