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Let the cost price of watch for Anaya be Rs. '100z'. Price of watch for Kirti = 1.24 X 100z = Rs. '124z' Price of watch for Bhavya = 1.12 X 124 = Rs. '138.88z' ATQ, 138.88z = 694.4 Or, 'z' = (694.4/138.88) So, 'z' = 5 Therefore, required price = '124z' = 124 x 5 = Rs. 620
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