⚡ Build the skills to land top-paying quant jobs. Offer ends in --d --h --m --s-- days -- hours -- minutes -- seconds.
⚡ Build the skills to land top-paying quant jobs. Offer ends in 19d 08h 36m 51s19 days 8 hours 36 minutes 51 seconds.
Some sheep stealers made a raid and carried off one-third of the flock of sheep, and one-third of a sheep. Another party stole one-fourth of what remained, and one fourth of a sheep. Then, a third party of raiders carried off one-fifth of the remainder and three-fifths of a sheep, leaving 409 behind. What was the number of sheep in the flock?