Permutation and combination

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A person "A" has just finished the most expensive vada-pav in town and the charge comes to Rs. 2010. "A" has an unlimited supply of 2,5 and 10 Rupee coins with him. How many ways can he pay?
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A person "A" has just finished the most expensive vada-pav in town and the charge comes to Rs. 2010. "A" has an unlimited supply of 2,5 and 10 Rupee coins with him. How many ways can he pay?

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