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CBSE Class 8 Answered

If 15 worker work 8-hour daily to make 100 cupboards in 12 days, so how many workers will take to make 150 cupboards in 18 days if they work 10 hours daily?
Asked by kaustubhkladda | 09 Feb, 2020, 12:12: PM
answered-by-expert Expert Answer
Let 'p' workers will be required to make 150 cupboards in 18 days each working 10 hours daily
15 worker work 8 hours daily to make 100 cupboards in 12 days
 
So, 1 worker working 1 hour will make 100/15 x 8 x 12 cupboards
Therefore, the number of cupboards made when 'p' workers work 10 hours daily for 18 days is
p cross times fraction numerator 100 over denominator 15 cross times 8 cross times 12 end fraction cross times 10 cross times 18 space w h i c h space i s space g i v e n space a s space 150 rightwards double arrow p cross times fraction numerator 100 over denominator 15 cross times 8 cross times 12 end fraction cross times 10 cross times 18 equals 150 rightwards double arrow p equals fraction numerator 150 cross times 15 cross times 8 cross times 12 over denominator 100 cross times 10 cross times 18 end fraction equals 3 cross times 4 equals 12 H e n c e comma space 12 space w o r k e r s space a r e space r e q u i r e d. 
Answered by Renu Varma | 12 Feb, 2020, 10:03: AM

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