0 votes 0 votes A snail crawls up a vertical pole $75$ feet high, starting from the ground. Each day it crawls up $5$ feet, and each night it slides down $4$ feet. When will it first reach the top of the pole? $75^{\text {th}}$ day $74^{\text {th}}$ day $73^{ \text{rd}}$ day $72^{\text {nd }}$ day $71^{\text {st }}$ day Combinatory tifr2022 combinatory counting + – admin asked Sep 1, 2022 • recategorized Nov 20, 2022 by Lakshman Bhaiya admin 613 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
2 votes 2 votes Snail crawls up in day 5 fit Snail crawls down in a night 4 Fit now over all crawls in a day 5-4= 1 fiit 2nd day 1 fit ...... .… =2 fit ........... 70th day 70 fit 71th day 5 fit up 70 + 5= 75 fit Snail will first reach top in 71th day afroze answered Sep 1, 2022 • edited Sep 1, 2022 by afroze afroze comment Share Follow See all 0 reply Please log in or register to add a comment.