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income increases by ₹1250. His principal (in rupees) isIf the annual rate of simple interest increases from 10% to 12 1 %, a man’s yearly 2  
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-  50,000 
 -  45,000 
 -  60,000 
 - 65,000
 
 -  50,000 
 
Correct Option: A
As per the given in question,
| Change in SI = | ![]()  | - 10 | ![]()  | % = | % | ||
| 2 | 2 | 
| ∴ | % of principal = ₹ 1250 | |
| 2 | 
We can find the required answer with the help of given formula ,
| Principal = | ||
| R × T | 
| ∴ Principal = ₹ | = ₹ 50000 | |
| 5 | 

