Seven kg of mangoes cost as much as 10 kg of apples and 1 kg of oranges. 7 kg at oranges cost as much as 1 kg of mangoes and 2 kg of apples. How many kg of apples can be purchased by the amount of money required to purchase 12 kg of mangoes?
A. 8
B. 14
C. 16
D. 18
সঠিক উত্তরঃ
D.
18
Explanation:
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