Multiple choice

P, Q and R's monthly income is in the ratio of 53 : 70 : 57. Q's annual income is Rs. 420000 then what is the sum of annual income of P and R ? P, Q और R की मासिक आय के बीच अनुपात क्रमशः 53 : 70 : 57 है। Q की वार्षिक आय रू. 420000 है, तो P और R की वार्षिक आय का योग क्या है ?

  1. Rs.660000

  2. Rs.600000

  3. Rs.720000

  4. Rs.640000
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A Correct answer
Explanation

Q's annual income = Rs. 420000, so monthly income = 420000/12 = Rs. 35000. Monthly ratio P:Q:R = 53:70:57. Q's share (70 parts) = 35000, so 1 part = 500. P's monthly = 53 × 500 = 26500, R's monthly = 57 × 500 = 28500. Annual sum of P and R = (26500 + 28500) × 12 = 55000 × 12 = Rs. 660000.

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