Question
The mean proportional of 9 and 16 is _____.
Solution
We know that, Mean proportion of 'a' and 'b' = √(a × b)
So, Mean proportion = √(9 × 16) = √144 = 12
More Ratio and proportion Questions
- There are 850 students in four houses of a school i.e. (red, white, yellow and blue) . Ratio of number of students in red house to that in blue house is 2:...
- Total population of city P and Q is 2240 and 2650 respectively. If the ratio of number of males to females in city is P and Q is 4:3 and 3:2 respectively, ...
- Monthly savings of ‘Q’ is 20% more than that of ‘P’ and is 44% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 4760 and ratio of monthly...
- Monthly savings of ‘Q’ is 25% more than that of ‘P’ and is 56% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 4100 and ratio of monthly...
- Rs. 23121 are divided between A and B in the ratio 2:7. What is the difference between thrice the share of A and twice the share of B?
- Determine the fourth proportional to the numbers 12, 7, and 36.
- The ratio of males and females in a zoo is 5:6 respectively and the percentage of children among males and the percentage of children among females are 15%...
- The sum of three numbers is 189. If the ratio of the first to the second is 3:4 and that of second to the third is 5:7 then the second number is?
- A quantity h is directly proportional to t. When h = 84, then t = 28. When t = 40, then find the value of h.
- Ratio of male to female population of a town in 2018 was 3:2 and total population in 2018 was 15000. If the male population is ___ and female population is...
Relevant for Exams:
