Answer : 1 10 Explanation : Answer: A) 10 Explanation: Given total rupees = 20 RsNo. of one rupee stamps = 3Now, remaining money = Rs. 17With that he buys only 2 and 5 rupee stampsLet number of Rs. 5 stamps = KLet number of Rs. 2 stamps = L5K 2L = 17K = 3, L = 1 (possible)L = 6, K = 1 (possible)=

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