0.001 is equivalent to: 

Cost of two articles were in the ratio of 16: 23. The cost of first article increases by 10% and that of second by Rs.477. Now the costs of two articles are in the ratio of 11: 20. The price of the second article (in Rs.) in the beginning was-

A crate of fruits contains one spoiled fruit for every 25 fruits. 60 % of the spoiled fruit were sold. IF the seller had sold 48 spoiled fruits, then the number of fruits in the crate were:

In a town, the population was 8000. In one year, male population increased by 10% and female population increased by 8% but the total population increased by 9% . The number of males in the town was:

A merchant marks his goods at Rs. 900 and allows a discount of 25%. If he still gain 12.5%, then the cost price of the article is

40 % are the passing marks. A student gets 250 marks yet fails by 38 marks. What are the maximum marks?