14 कामगार 10 टेबल 5 दिवसांत तयार करतात. 10 कामगारांनी काम सुरु केलं आणि 1 कामगार त्यांना 5 व्या दिवशी येऊन मिळाला.तर 12 टेबल त्यार करण्बोसाठी त्यांना किती दिवस लागतील?
Answers
Solution :-
→ In 5 days total tables were made = 10
so,
→ In 1 day table was made = 10/5 = 2 table .
now,
→ 14 workers make table in 1 day = 2 table
→ 1 worker make table in 1 day = 2/14 = 1/7 table .
then,
→ 10 workers make table in 1 day = (1/7) * 10 = (10/7) table
→ 10 workers make table in first 4 days = (10/7) * 4 = (40/7) table .
now,
→ Total workers = 10 + 1 = 11 workers .
and,
→ Tables left to be made = 12 - (40/7) = (12 * 7 - 40)/7 = (84 - 40)/7 = (44/7) tables .
so,
→ 11 workers make table in 1 day = (1/7) * 11 = (11/7) table .
then,
→ Time required to make (44/7) table = (44/7) / (11/7) = (44/7) * (7/11) = 4 days .
therefore,
→ Total time needed = 4 + 4 = 8 days (Ans.)
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