" 4.What are retained earnings? "

Rafi earns 20000 rupees a month and he spends 6400 rupees from this on food. What percent of his earnings is this?

Ratio of the earnings of A and B is 4: 7. If the earnings of A increased by 50% and those of B decreased by 25%, the new ratio of their earnings becomes 8: 7. What are A's earning ?

25workers earn Rs 300 per day.What will be the earnings of 20 workers per day at the same rate?

25 workers earn Rs 300 per day. What will be the earnings of 20 workers per day at the same rate?

Anupam earns Rs. 20000 per month and spends Rs. 3500 on food expenses. What fraction of earnings does Anupam spend on food?

During the years 1986 through 1988, what was the average earning per year?