An insect climbs 2 cm up a slippery rod in one second and slips down by lcm over the next second. How
many seconds will the insect take to reach the top of the rod 15 cm high?
Answers
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Step-by-step explanation:
Distance covered in 2 seconds = 1cm.
1cm = 2 seconds
15cm = 2*15 = 30 seconds
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