The retail price of a doll is 40 taka. Amreen got discount of 20% over the retail price and she eventually saved 240 taka on her total purchase of the dolls. How many dolls did she purchase ?
A. 20
B. 24
C. 12
D. 30
E. None of these
সঠিক উত্তরঃ
D.
30
Explanation:
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