A) 15
B) 30
C) 16
D) 20
Correct Answer: D
Solution :
Let number of one rupee coins be x. So number of 50 paise coins = x According to question, \[{{a}^{2}}+8a+5a+40=3{{a}^{2}}-24a-5a+40\]You need to login to perform this action.
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