The difference between the value of the number increased by 20 % and the value of the number decreased by 25 % is 36. Find the number. 

If X is 20% less than Y, then find the value of $${Y-X\over Y}$$ and $${X\over X-Y }$$

25% of 120 + 40% of 380 = ? of 637

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? 

Ram saves 14 % of his salary while Shyam saves 22 % . If both get the same salary and Shyam saves 1540, what is the savings of Ram? 

 A student scored 32 % marks in science subjects out of 300. How much should he score in language papers out of 200 if he is to get overall 46 % marks? 

In an examination, 93 % of students passed and 259 failed. The total number of students appearing at the examination was: 

In a test a student got 30 % marks and failed by 25 marks. In the same test another student got 40 % marks and secured 25 % marks more than the essential minimum pass marks. The maximum pass marks for the test were?