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P and Q together earn Rs. 250 per day. Q and R together earn 220 per day. P, Q, and R when working together earn Rs 350 per day. How much does Q earn daily?1. Rs. 1202. Rs. 2403. Rs. 1804. Rs. 200 |
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Answer» Correct Answer - Option 1 : Rs. 120 Given: P and Q earns = Rs. 250 Q and R earns = Rs. 220 P, Q, and R together earns 350 Calculation P + Q = 250 ----(1) Q + R = 220 ----(2) Add eq. (1) and eq. (2) ⇒ P + Q + Q + R = 470 ⇒ P + Q + R + Q = Rs. 470 ----(3) P + Q + R = 350 ----(4) Put value of P, Q, and R from eq. (4) to eq. (3) ⇒ 350 + Q = 470 ⇒ Q = Rs. 120 ∴ Daily earing of Q is Rs. 120 |
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