A snail is at the bottom of a 20 meters deep pit. Every day the snail – McqOptions

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1.	A snail is at the bottom of a 20 meters deep pit. Every day the snail climbs 5 meters upwards, but at night it slides 4 meters back downwards. How many days does it take before the snail reaches the top of the pit?
A.	4 days
B.	8 days
C.	16 days
D.	20 days
Answer» D. 20 days

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