\[ \text { Check: }(1500+2400=3900) \] \[ \text { EXERCISE } 7.3 \] Faisal and Sirfraz started a business of partnership. Faisal invested Rs. 1000 and Sirfraz invested Rs. 1200 . At the end of a year total profit was Rs. 1430 . Find the shares of Faisal and Sirfraz in profit. A and B invested Rs. 5000 and Rs. 7000 respectively to start

To determine the shares of Faisal and Sirfraz in the total profit of Rs. 1430, we'll follow these steps: 1. **Determine the Investment Ratio:** - **Faisal's Investment:** Rs. 1000 - **Sirfraz's Investment:** Rs. 1200 The ratio of their investments is: \[ \text{Faisal} : \text{Sirfraz} = 1000 : 1200 = \frac{1000}{200} : \frac{1200}{200} = 5 : 6 \] 2. **Calculate Total Parts:** \[ \text{Total Parts} = 5 + 6 = 11 \] 3. **Determine the Value of One Part:** \[ \text{Value of One Part} = \frac{\text{Total Profit}}{\text{Total Parts}} = \frac{1430}{11} = 130 \] 4. **Calculate Each Partner's Share:** - **Faisal's Share:** \[ 5 \text{ parts} \times 130 = 650 \] - **Sirfraz's Share:** \[ 6 \text{ parts} \times 130 = 780 \] 5. **Verification:** \[ 650 (\text{Faisal}) + 780 (\text{Sirfraz}) = 1430 \] The total matches the given profit, ensuring the calculation is correct. **Final Shares:** - **Faisal:** Rs. 650 - **Sirfraz:** Rs. 780 --- *Note:* The last part of your message mentions "A and B invested Rs. 5000 and Rs. 7000 respectively to start" but doesn't provide a complete question. If you need assistance with that scenario as well, please provide the full details, and I'd be happy to help!