The cost of a machine is estimated to be incresing at the ratio of 10% every year. If it costs Rs. 12000 now, what will be the estimated value after 3 years

The ratio of ages of Anil and Ashima is 3:5. The sum of their ages is 48 years. What is the age of Ashima

A shopkeeper sold some articles @ 35 per article and earned a profit of 40%. At what price each article should have been sold so that 60% profit was earned

By selling a book for 270, 20% profit was earned. What is the cost price of the book

Narendra started a business, investing 30000. Six months later, Chandan joined him with 15000. If they make a profit of 10000 at the end of the year, what should be the share of Narendra

Suresh started a business, investing Rs.18000. After 3 months and 4 months respectively, Rohan and Sudhir joined him with capitals of 12000 and 9000. At the end of the year the total profit was Rs.3982. What is the difference between Rohan’s and Sudhir’s share in the profit