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                              Q:
                           
                           
                                                      | A) Rs. 20,000 | B) Rs. 10,000 | 
| C) Rs. 30,000 | D) Rs. 40,000 | 
                              Answer:   C) Rs. 30,000
                              
                                                            
                              
Explanation:
                               
                           
                           Explanation:
Let first part is 'K' and second part is 'L' 
then K + L = 50000---------eq1
Total profit = profit on x + profit on y
7000 = (K x 10 x 1)/100 + (L x 20 x 1)/100
70000 = K + 2L-----------------------------------eq2
70000 = 50000 + L
so L = 20000 then K = 50000 - 20000 = 30000
first part on 10% is = Rs.30000
 
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