Q. A snail is at the bottom of a 20-foot well. Each day, it climbs up 3 feet, but at night, it slips back 2 feet. How many days will it take for the snail to reach the top of the well?

एक घोंघा 20 फुट के कुएं के तल पर है। प्रत्येक दिन, यह 3 फीट ऊपर चढ़ता है, लेकिन रात में, यह 2 फीट पीछे खिसक जाता है। घोंघे को कुएँ के शीर्ष तक पहुँचने में कितने दिन लगेंगे?

18 days
18 दिन

20 days
20 दिन

22 days
22 दिन

28 days
28 दिन

Explanation will be available soon. Please stay tuned.

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