The ratio of males and females in a zoo is 4:5 respectively and the percentage of children among males and the percentage of children among females are ...
If a/b =c/d =e/f =2/3 Then (2a2-3c2+4e2)/ (2b2-3d2+4f2) =?
Three numbers are in ratio 4:5:7. If the sum of the squares of those three numbers is 360 then find the sum of the three numbers.
Find the fourth proportion of 3, 8 and 18.
In a company with 800 employees, the average age of male employees is 42 years and that of female employees is 41 years. If the average age of all the e...
5 years ago ratio of the ages of the two persons A and B was 3:1. 3 years hence the ratio of their ages will be 7:3. Find the present age of B.
The ratio of heartbreak to emotions is 2:3:4:5 The price of heart is inversely proportional to the square of emotions. If there is a loss of Rs 1420 due...
Rs. 22000 was divided among X, Y and Z in the ratio 3:7:10. Y kept Rs. 1200 for himself, gave Rs. 800 to his father and divided the remaining money amon...
There is a mixture of 70 liters of apple juice and water in a vessel. The ratio of apple juice to water is 3:4. If 21 liters of the mixture is taken out...
The ratio between the number of books and pencils is 7:5 and the ratio of cost of per book and pencil is 3:2 then find the percentage by which total cos...
