Correct option is A
Given:
Distance between P and R = 296 km
P starts moving at 8:00 a.m. towards R at 32 km/h.
R starts moving at 8:30 a.m. towards P at 8 km/h.
P and R are at a distance of 296 km from each other at 7:45 a.m.

Formula Used:
Time =
Meeting Time = Start Time +
Solution:
P travels alone from 8:00 a.m. to 8:30 a.m. = 0.5 hours
Distance = km
Remaining distance at 8:30 a.m.
296 - 16 = 280 km
Relative speed = 32 + 8 = 40 km/hr
Time to meet = hours
Meeting time = 8:30 a.m. + 7 hours = 3:30 p.m.
The time when P and R meet is 3:30 p.m.
Thus, the correct option is (a) 3:30 pm