Kia sawal bhi aisy tha remaining work py kitna time lagay ga.. ur calculation is right.?

Main ye smjha tha k à. 20 din me kr sakta hy b. 25 me .. donu ikhty kam krty hyn kam iss sorat me kab khatam ho ga jab b 5 din chuti kry ga... ap k calculation k hisab sy mera jawab 16 hona chahiay (mere mutabiq)

Thanks sir