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Time and Work: Part 5 (in Hindi)
hello ...i think on 5th slide ques no. 3 equation you made is incorrect or not appropriate as it is said A left the work after 4 days so the equation shud be taken as 4(a+b)+18b since A & B both worked for 4 days ..same goes for the second statement ...please clear it..i think the ques is wrong... TIA
Read the question once again. It is clearly mentioned that A started the work, not A and B together, so we cant take 4(A+B) +18B