Question

Sohan and Ravi are two brothers. Sohan has Rs (a+5)(a+7) and Ravi has Rs (a-4)2 .They combined their money and went for shopping. During the shopping, they spent Rs (a2 +4a). Suddenly Ravi saw an old woman sitting on the ground near dhaba. She looked hungry. He kept Rs (a+3) with him for transport and gave rest of the money to old woman for food. How much money did Ravi give to the old woman? ​

Answer 1

Answer:

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