After taking 30 socks out of the washing machine, Shamim noticed that the ratio of blue socks to brown socks to black shoks was 2 : 3 : 5. How many black socks were in the washing machine?

গণিত Ratio, Proportion and Partnership 07 Oct, 2020

প্রশ্ন After taking 30 socks out of the washing machine, Shamim noticed that the ratio of blue socks to brown socks to black shoks was 2 : 3 : 5. How many black socks were in the washing machine?

  • ক.
    21
  • খ.
    15
  • গ.
    9
  • ঘ.
    6

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15

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Ratio, Proportion and Partnership