Neeraja studies from 7:00 PM to 8:15 PM then the time allotted for her...
Formula used:
Time allotted = D × 60
where "D" is the time difference in hours.
Calculation:
D = 08:15 PM - 07:00 PM = 1 hr 15 min or

hours
Time allotted =

∴ The time allotted is 75 minutes.
Neeraja studies from 7:00 PM to 8:15 PM then the time allotted for her...
Calculation of Time Allotted for Studies:
First, let's find out the total time Neeraja studies from 7:00 PM to 8:15 PM:
1. Neeraja studies from 7:00 PM to 8:00 PM, which is 60 minutes.
2. She then studies from 8:00 PM to 8:15 PM, which is an additional 15 minutes.
Calculation:
Total time = 60 minutes + 15 minutes
Total time = 75 minutes
Therefore, the time allotted for Neeraja's studies is 75 minutes, which is represented by option 'C'.