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प्रश्न
The number of milk teeth in human beings is 20 and the number of permanent teeth is 32. Find the ratio of the number of milk teeth to the number of permanent teeth.
उत्तर
Number of milk teeth in human beings = 20
Number of permanent teeth in human beings = 32
Ratio of the number of milk teeth to the number of permanent teeth = `20/32`
= `5/8` .....[On dividing numerator and denominator by 4]
= 5:8
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