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  4. The dental formula of rat is :

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Q. The dental formula of rat is :

Delhi UMET/DPMTDelhi UMET/DPMT 2004

Solution:

Dental formula of rat is
$ \frac{1003}{1003}=\frac{4}{4}\times 2=16 $
$ \frac{0033}{3133}\times 2=32 $
is the dental formula of cow, sheep and goat.
$ \frac{3131}{3121}\times 2=30 $
is the dental formula of cat.
$ \frac{2123}{2123}\times 2=32 $
is the dental formula of human.