8- Salim has 4 times as many one rupees coins as he has five rupees coins. If he has a total of 81 rupees then the denomination of one rupee coin he has
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Answer:
36
Step-by-step explanation:
Let the number of five rupee coins be x.
Number of one rupee coins = 4x
According to Question,
4x + 5x = 81
=> 9x = 81
=> x = 9
Hence, number of one rupee coins = 4×9 = 36
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