PPSC Personal Assistant & Assistant (BPS-16) S & GAD-2020, Everyday Science MCQs, PPSC Solved Past Papers MCQsDeficiency of iodine causes?A. Goiter B. Myopia C. Join pain D. None of these A man buys an article of $ 27.50 and sells it for $ 28.60. What is his gain?Land of thousand island is?