Rajesh and Vimal own 20 hectares and 30 hectares of agricultural land, respectively, which are entirely covered by wheat and mustard crops. The cultivation area of wheat and mustard in the land owned by Vimal are in the ratio of 5:3. If the total cultivation area of wheat and mustard are in the ratio 11:9, then the ratio of cultivation area of wheat and mustard in the land owned by Rajesh is:

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1. **Total Land Area:**  
   - Rajesh owns 20 hectares, and Vimal owns 30 hectares.  
   - Total land area = $$ 20 + 30 = 50 $$ hectares.

2. **Divide Total Land Area into Wheat and Mustard (Ratio 11:9):**  
   - Wheat part = $$ \frac{11}{20} 	imes 50 = \frac{55}{2} $$ hectares.  
   - Mustard part = $$ \frac{9}{20} 	imes 50 = \frac{45}{2} $$ hectares.

3. **Land Distribution for Vimal (Ratio 5:3):**  
   - Wheat part = $$ \frac{5}{8} 	imes 30 = \frac{75}{4} $$ hectares.  
   - Mustard part = $$ \frac{3}{8} 	imes 30 = \frac{45}{4} $$ hectares.

4. **Calculate Land Distribution for Rajesh:**  
   - Wheat part for Rajesh = Total wheat area - Vimal's wheat area:  
     $$
     \frac{55}{2} - \frac{75}{4} = \frac{35}{4}.
     $$  
   - Mustard part for Rajesh = Total mustard area - Vimal's mustard area:  
     $$
     \frac{45}{2} - \frac{45}{4} = \frac{45}{4}.
     $$

5. **Ratio of Wheat to Mustard for Rajesh:**  
   - Wheat : Mustard = $$ \frac{35}{4} : \frac{45}{4} = 35 : 45 = 7 : 9 $$.

Thus, the ratio of cultivation area of wheat and mustard in the land owned by Rajesh is **7:9**.

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