Answer:
Rs. 52[tex]\frac{1}{2}[/tex]
Step-by-step explanation:
Given parameters:
Amount spent on buying a food = Rs. 25.75
Amount spend on buying pen  = Rs. 10.25
Amount given out to friend = Rs. 16.5
Unknown:
The total money he initially had = ?
Solution:
The total money he initially had :
    = amount spent on food + amount spent on pen + amount given to friend
   = Rs. 25.75  + Rs. 10.25  +  Rs. 16.5
    = Rs. 52.5 or  Rs. 52[tex]\frac{1}{2}[/tex]
