Worker a takes 8 hours to do a job. Worker b takes 10 hours to do the same job. How long should it take both a and b, working together but indepently, to do the same job?A. 2x4/9 b. 4x4/9c. 5x4/9 d. 4x2/9ans : b
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✌hye...✌
in this ques. u have to just add 1/8 + 1/10 and than u will get ur ans. easily...
if u have any query than ask me in comment box
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in this ques. u have to just add 1/8 + 1/10 and than u will get ur ans. easily...
if u have any query than ask me in comment box
❤keep smiling
keep loving ❤
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