Question

1 purush 3 mahilaye aur 4 bacche kisi karya ko 4 ghnte me poora kr skte h, 2 purush aur 8 bcche isse 80 ghnte me poora kr skte h ; aur 2 purush avm 3 mahilaayein ise 120 ghnte me poora kr skte h. yadi 5 purush aur 12 bcche milkr karya karein to ye kitni der me samapt ho jaayega?

Answer 1

150 hours may be the answer