A reduction of 20% in the price of wheat a person enables to purchase 4 kg more for Rs. 160. Find the original price of wheat?

A man spends 75 % of his income. His income increased by 20 % and he increased his expenditure by 15 %. His savings will then be increased by: 

If 30% of Aman's income is added to 40% of Raman's income, the answer is 80% of Raman's income. What percentage of Aman's income is Raman's income?

What percentage of the whole week does Ajay spend in office, if his office hours are 9 am to 5 pm from Monday to Friday? 

A table is sold at a profit of 20%. If both the cost price and the selling price of the table are decreased by Rs. 100, then new profit percent becomes 25%.Find the original cost price of  table.

The number of employers working in a farm is increased by 25% and the wages per head are decreased by 25%. If it result in x% decreased in total wages, then the value of x is : 

In an office, 40 % of the staff is female. 70 % of the female staff and 50 % of the male staff are married. The percentage of the unmarried staff in the office is 

Population of a city is 7000. In next year the population is increased by 8%, then find the new population?