For a village the population growth rate is 10% for the year 2007 to 2008 and the 15% for the year 2008 to 2009. If the population the of the village is 5000 in 2007, then what is the population at the end of 2009 ?

The average age of 22 boys and a class teacher is 15 years. If the class teacher left, the average age would be 13 years. What is the age of the teacher ?

Ram sells a shirt to Mohan at a loss of 2 5% and Mohan sells the shirt to Ravi at a loss of 20%. If Ravi pays Rs 216 for this shirt, at what price did Ram buy the shirt ?

The wages for 50 women amount to Rs 12000 in 30 days. How many men must work 15 days to receive Rs 6000? The daily wages of a man is double the daily wages of a. woman.