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If Tk. 6,300 was invested in a share when the price per share was Tk. 9 and additional Tk. 4200 was invested in the same share when the price per share was Tk. 10, what was the average price per share?

If Tk. 6,300 was invested in a share when the price per share was Tk. 9 and additional Tk. 4200 was invested in the same share when the price per share was Tk. 10, what was the average price per share? Correct Answer Tk. 9.375

a ও b দুটি ধনাত্মক সংখ্যা এবং ab/x = √a Or, x = ab/√a হলে x/√b = √(ab)

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