Find the mean proportional of the following pairs of numbers 6 and 24.
Find the mean proportional of the following pairs of numbers 6 and 24.
A). 8
B). 12
C). 16
D). 18
1 answers
Other Questions
1. In an army selection process, the ratio of selected to unselected candidates was 9:2. If 80 less had applied and 20 less selected, the ratio of selected to
unselected would have been 5:1. How many candidates had applied for the process?
2. Rs. 5000 are invested in a scheme of compound interest. If the rate of interest is 12% per annum, then what is the interest earned (in Rs) in 2 years?
3. An amount of money is distributed among A, B and C in the ratio of 1:2:9. If C gives Rs. 400 from his share to B, the new ratio becomes 1 : 3 : 8 . What is the total amount ?
4. A fraction bears the same ratio to 1/27 as 3/7 does to 5/9. The fraction is?
5. If $w_{1}:w_{2} = 2:3$ and $w_{1}:w_{3} = 1:2$ ,then $w_{2}:w_{3}$ is
6. In a school, the ratio of boys to girls is 4:3 and the ratio of girls to teachers is 8:1. The ratio of students to teachers is :
7. A, B and C have Rs.500 between them, A and C together have Rs.200 and B and C Rs.350. How much does C have?
8. Two numbers are in the ratio of 2:3. If their sum is 125, find the numbers.
9. A and B are two alloys of gold and copper prepared by mixing metals in the ratio 5 : 3 and 5: 11 respectively. Equal quantities of these alloys are melted to form a third alloy C. The ratio of gold and copper in the alloy C is
10. Two numbers are in ratio 5:8. If their difference is 48, then the smaller number is
