A store owner brought a lot of hats, 1/4th of which was brown. He sold 2/3 of the hats including 4/5 of the brown hats. What fraction of the unsold hats was brown?
A. 1/60
B. 2/15
C. 3/20
D. 3/5
সঠিক উত্তরঃ
C.
3/20
Explanation: Unsold Brown = 1/20. Total Unsold = 1/3. Fraction = (1/20)/(1/3) = 3/20.
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