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P invested her capital for 12 months, Q for 7 months and R for 4 months. So, ratio of their capitals = (10000 × 12):(20000 × 7):(25000 × 4) ⇒ 120000 : 140000 : 100000 ⇒ 6 : 7 : 5 Therefore, R’s share = 7200 x (5/18) = Rs.2000
385! In the trailing Zeros, let us know.
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