A and B can finish a piece of work in 6 days and 4 days respectively. A started the work and worked for 2 days. He was then joined by B. find the total time taken to finish the work.
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Karim scored15 marks more than rah I'm in examination. madam scored10 narks less than rah I'm. totally,they scored 110 marks what was Karim's scored
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