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1. M, P and Q together started a business. M invested Rs. 6500 for 6 months, P invested Rs. 8400 for 5 months and Q invested Rs. 10000 for 3 months. M is working member for which he gets 5% of total profit extra. If the total gain is Rs. 7400, then Q's share is ?

Solution:
    M     :     P     :     Q  
Capital →   6500 : 8400 : 10000
  65 : 84 : 100
Time → ×6 : ×5 : ×3
  390 : 420 : 300
Profit → 13 : 14 : 10

M's extra share on work in partner
=Rs.7400×5100=Rs.370 Remaining profit=Rs.(7400−370)=Rs.7030
According to the question,
(13 + 14 + 10) units = Rs. 7030
37 units=Rs. 70301 unit=Rs.703037Profit of Q=10 units=Rs.703037×10=Rs.1900

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