P, Q and R undertook a work for Rs 48000. Together P and Q complete 5/12th part of the work. What is the share (in Rs) of R?
Let total work be 1 unit and P and Q complete 5/12th part of the work.
=> Work done by R = $$1-\frac{5}{12}=\frac{7}{12}$$
=> Ratio of work done by (P+Q) and R = 5:7
=> R's share = $$\frac{7}{(5+7)}\times48,000$$
= $$7\times4,000=Rs.$$ $$28,000$$
=> Ans - (B)
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