1.

A invested some money in 10% stock at 96. If B wants to invest in an equally good 12% stock, he must purchase a stock worth of: (a) Rs 80 (b) Rs 115.20(c) Rs 120 (d) Rs 125.40

Answer»

(a) Rs 80

Let x be B stock worth. 

Then (x) x \(\frac{12}{100}\) = \(\frac{10}{100}\) x 96 

(x) x 12 = 10 x 96 

x = 80



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