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ICSE Class 6 Answered

An insect crawls 10 cm every second on a 90 cm vertical rod and then falls down 4 cm over the next second. How many seconds will it take to climb the rod.
Asked by mishrasheela170 | 24 Feb, 2020, 01:01: PM
Expert Answer
An insect crawls 10 cm every second on a 90 cm vertical rod and then falls down 4 cm over the next second. How many seconds will it take to climb the rod.
 
This is a logcal reasoning based problem.
 
An insect crawls 10 cm in the first second.
It falls down 4 cm at the second second.
Overall the insect moved (10 - 4) = 6 cm in 2 seconds.
 
Now you can find the time taken by the insect to cover 90 cm rod.
 
Answered by | 24 Feb, 2020, 01:27: PM
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