Advertisements
Advertisements
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
APPEARS IN
संबंधित प्रश्न
Calculate the ratio in which the line joining A(−4, 2) and B(3, 6) is divided by point P(x, 3). Also, find
- x
- length of AP.
A woman reduces her weight in the ratio 7 : 5. What does her weight become if originally it was 84 kg?
In a mixture of 126 kg of milk and water, milk and water are in ratio 5 : 2. How much water must be added to the mixture to make this ratio 3 : 2?
If (a – x) : (b – x) be the duplicate ratio of a: b show that:
`(1)/x = (1)/a + (1)/b.`
Two poles of different heights are standing vertically on a horizontal field. At a particular time, the ratio between the lengths of their shadows is 2 :3. If the height of the smaller pole is 7.5 m, find the height of the other pole.
Find the value of x, when 2.5 : 4 = x : 7.5.
In the example below, find the proportion of the first number to the second.
24, 56
Shubham’s age today is 12 years and his father’s is 42 years. Shubham’s mother is younger than his father by 6 years. Find the ratio of Shubham’s mother’s age today to his father’s age today.
Find the following ratio in the simplest form:
2.4 km to 900 m
Ramesh earns Rs. 28000 per month. His wife Rama earns Rs. 36000 per month. Find the ratio of ramesh’s earnings to their total earnings
