Assertion \((A)\): If 910 is divided between \(A\) and \(B\) in the ratio \(11 : 15\), then \(B\) gets 525.
 
Reason \((R)\): In ratio-based sharing, each person's share is:
 
\(\text{Share amount} = \frac{\text{Ratio part}}{\text{Total parts}} \times \text{Total amount}\)