A pond will be dug in our locality. 24 men need 12 days to cut that pond. Let's find out the proportion and find relation how many men will be needed to dig that pond in 8 days.

Harun chacha, Anowarabibi and Mihar uncle have started to work together. But after Harun chacha, Anowarabibi and Mihar uncle have finished the work in $10 \mathrm{days}, 12 \mathrm{days} \text{and} 15 \mathrm{days}$ respectively. Let's calculate the number of days Mihar uncle alone takes to complete the $\frac{1}{5}$ part of the work.

My elder brother, my elder sister and me together will paint our windows. My elder brother, my elder sister and me separately can complete the work in $12,4 \& 6 \text{days}$ respectively. If we do the work together, then let's calculate how many days we will take to complete the work.

Abani and Anwar complete a work separately in $20$ and $25$ days respectively. After $10$ days of their working together, they both left then Sukhen came and completed the remaining work in $3$ days. If Sukhen alone would do the work let's calculate how many days he would take to complete the work.