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Word Problem: Snail


A snail was climbing up a 15 metre tree. Each day it climbed 5 metres, but each night as it slept it slid back down 4 metres. How many days did it take the snail to reach the summit?


11 days

Source: Numeracy Counts !, Anita Rampal, R Ramanujam and L S Saraswati, N L R C, LBS National Academy of Administration, Mussoorie.

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