Math, asked by bindhanimanojkumar97, 2 months ago

in a certain office, a page is typed by A in 4 minutes. the same page is typed by B, C, and D in 5, 6 and 10 minutes respectively. what is the average time to complete one page

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Answered by LivleenGandhi

1

According to me this is the answer of this question, sorry if it’s wrong.

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