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After taking 30 socks out of the dryer. Dina noticed that the ratio of blue socks to brown socks to black socks was 2 : 3 : 5. How many black socks were in the dryer?

After taking 30 socks out of the dryer. Dina noticed that the ratio of blue socks to brown socks to black socks was 2 : 3 : 5. How many black socks were in the dryer? Correct Answer 15

অনুপাতের যোগফল = (2 + 3 + 5) = 10 Black মোজার সংখ্যা = 30 ×(5/10) = 15 টি

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