A person buys some pen and pencil. The pen costs TK. 7 each and pencils cost TK. 3 each. If he spends exactly TK. 81 and buys maximum number of pen possible under these conditions, what is the ratio to pencil ?
A. 4:3
B. 5:2
C. 3:2
D. None of these
সঠিক উত্তরঃ
C.
3:2
Explanation:
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