A person earns yearly interest of Tk. 920 by investing Tk. X at 4% and Tk. Y at 5% simple interest rate. If he had invested Tk. X at 5% and Tk. Y at 4% simple interest rate, then his yearly interest earning would have been reduced by Tk. Find out the amount of X and Y.
সমাধান
সঠিক উত্তর: Option A