The ratio of the number of hens to the number of goats on farm A is 5: 4 and that on farm B is 5 : 7. What could be the ratio of the total number of hens to the total number of goats in farms A and B taken together?

Two successive discounts of 20% and 30% are given while selling an article. What is the ratio of the marked price of the article to its selling price?

If p : q : r = 1: 2: 4, then $$\sqrt{5p^{2}+q^{2}+r^{2}}$$ is equal to 

The ratio of the first and second class train fares between two stations is 3: 1 and that of the numbers of passengers travelling between the two stations by first and second classes is 1: 50. If on a particular day. 1,325 are collected from passengers travelling between the two stations. Then the amount collected from the second class passengers is

 The monthly income of two persons are in the ratio 2: 3 and their monthly expenses are in the ratio 5: 9. If each of themn saves ₹ 600 per month, then their monthly incomes are

The annual income of A and B Aare in the ratio 4: 3 and the ratio a of their expenditures is 3 : 2. If each of them saves ₹ 600 in the year, the annual income of A is 

In Tata company there are 78000 employees out of which males and females are in the ratio 7 : 6. Out of the males 35% are working as HR and out of females 25% are working as HR. Find the total number of employees working as HR in the company.