please explain step by step
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The insect crawls every 5cm every seconds
Then it falls down every 2cm the next second.
So in 2 second it travels 5cm-2cm
=3cm
The rod is 60cm
Time for 3cm is 2 s
Time for 60cm is 2s*20
=40s
The answer is none of these
Hope it helps you.
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