Find third proportion to 16,36

If a:b =5:9 and b:c=4:7 Find a:b:c?

Find the fourth proportion to 4,9,12

Find third proportion to 16,36

Find mean proportion between 0.08 and 0.18

If a:b=2:3 b:c=4:5, c:d=6:7 then a:b:c:d is

7.15% of x=20% of y then x:y is

a/3=b/4=c/7 then (a+b+c)/c=

Three containers A,B and C are having mixtures ofmilk and water in the ratio of 1:5 and 3:5 and 5:7 respectively. If the capacities of the containers are in the ratio of all the three containers are in the ratio 5:4:5, find the ratio of milk to water, if themixtures of all the three containers are mixed together.

A certain number of one rupee,fifty parse and twentyfive paise coins are in the ratio of 2:5:3:4, add up to Rs 210. How many 50 paise coins were there?

A sum of Rs 1162 is divided among A,B and C. Such that 4 times A's share share is equal to 5 times B's share and 7 times C's share . What is the share of C?