The mode of the following frequency distribution is 64 and the total frequency is 200 find x and y
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Ema bought 360, ₹10 shares paying 12% per annum. She sold them when the price rose to ₹21. She invested the proceeds in ₹5 shares paying 4.5% per annum at ₹3.50 per share. Find the change in her annual income.
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