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?

A businessman bought an article and sold it at a loss of 5%. If he had bought it for 10% less and sold it for Rs. 33 more, he would have had a profit of 30%. The cost price of the article is 

In an office, 70% of the total number of employees are females. 80 % of the total number of employees, including 85 males, got promotion. If there are 105 female employees, then what percentage of female employees got promotion?

There are 80 students in a class out of these 15% are girls. The monthly fee of each girl is Rs.350 and monthly fee of each boy is 38% more than each girl. What is the total fee of girls and boys in the class?

If a batsman scored 120 runs which included 9 boundaries and 3 sixes, then what percent of his total score did he make by running between the wickets?

A book seller allowed 10 % discount on printed price. He gets 30 % commission from publisher. His profit in percent will be? 

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 a school 80% of the students are girls. The number of boys are 500. Then the total number of students in the school is