Let, the items produced be \(y\).
Then,
Cost Price = \([40y + 300]\)
Selling price = \(60y\)
\(\therefore\) Profit = \(1000 = 60y - (40y + 300)\)
\(\Rightarrow\;\)\(y = 200\)
The correct option is (D): 200
A man buys a watch for Rs. 1950 in cash and sells it for Rs. 2200 at a credit of 1 year. If the rate of interest is \(10\%\) per annum, the man.
A man sells Rs. 5000, \(12\%\) stock at 156 and invests the proceeds partly in \(8\%\) stock at 90 and the balance in \(9\%\) stock at 108. He thereby increase his income by Rs. 70. How much of the proceeds were invested in each stock?