11. 25 men working 8 hours a day do a job in 63 days. How long would 4

1.	11. 25 men working 8 hours a day do a job in 63 days. How long would 45 men take to finish the job, working 7 hours a day?
Answer» $\large{\underline{\rm{\blue{\bf{Question:-}}}}}$ 25 men WORKING 8 hours a day do a job in 63 days. How long would 45 men take to finish the job, working 7 hours a day? $\large{\underline{\rm{\blue{\bf{Given:-}}}}}$ Days taken by 25 men working 8 hours a day do a job = 63 hours $\large{\underline{\rm{\blue{\bf{To \: Find:-}}}}}$ Days taken if 45 men take to finish the job, working 7 hours a day. $\large{\underline{\rm{\blue{\bf{Solution:-}}}}}$ According to the question, TIME taken by 25 men to complete the work = $\sf 8 \times 63 = 504 \: hours$ Then, Time taken by 1 men to complete the work = $\sf 25 \times 504 = 12600 \: hours$ Then, finding Time taken by 45 men to complete the work = $\sf \dfrac{12600}{45} = 280 \: hours$ Therefore, Time taken by 45 men to complete the work, working 7 hours a day = $\sf \dfrac{280}{7}=<klux>40</klux> \: days$ HENCE, 40 days are taken by 45 men to complete the work, working 7 hours a day.

11. 25 men working 8 hours a day do a job in 63 days. How long would 45 men take to finish the job, working 7 hours a day?

Answer»

$\large{\underline{\rm{\blue{\bf{Question:-}}}}}$

25 men WORKING 8 hours a day do a job in 63 days. How long would 45 men take to finish the job, working 7 hours a day?

$\large{\underline{\rm{\blue{\bf{Given:-}}}}}$

Days taken by 25 men working 8 hours a day do a job = 63 hours

$\large{\underline{\rm{\blue{\bf{To \: Find:-}}}}}$

Days taken if 45 men take to finish the job, working 7 hours a day.

$\large{\underline{\rm{\blue{\bf{Solution:-}}}}}$

According to the question,

TIME taken by 25 men to complete the work = $\sf 8 \times 63 = 504 \: hours$

Then,

Time taken by 1 men to complete the work = $\sf 25 \times 504 = 12600 \: hours$

Then, finding

Time taken by 45 men to complete the work = $\sf \dfrac{12600}{45} = 280 \: hours$

Therefore,

Time taken by 45 men to complete the work, working 7 hours a day = $\sf \dfrac{280}{7}=<klux>40</klux> \: days$

HENCE, 40 days are taken by 45 men to complete the work, working 7 hours a day.