Mymensingh higher secondary 2018 #3

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samiul_samin
Posts:1007
Joined:Sat Dec 09, 2017 1:32 pm
Mymensingh higher secondary 2018 #3

Unread post by samiul_samin » Sun Feb 17, 2019 9:15 am

In the picture, gear $1$ has $8$ teeth, gear $2$ has $24$ teeth, and gear $3$ has $16$ teeth. If gear $1$ rotates $24$ times, how many times will gear $3$ rotate?
Screenshot_2019-02-17-09-15-41-1.png

samiul_samin
Posts:1007
Joined:Sat Dec 09, 2017 1:32 pm

Re: Mymensingh higher secondary 2018 #3

Unread post by samiul_samin » Sun Feb 17, 2019 10:04 am

If gear $1$ rotates $24$ times ,gear $2$ will rotate $24/3=8$ times.
If gear $2$ rotates $8$ times ,gear $3$ will rotate $8×2=16$ times.
Answer:$\fbox{16}$.

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