Darshan scored 85% in Preliminary exam with max marks 1200 and 70% in Main exam with max marks 800. What is combined %?

A student scored 65% marks in an exam. If he scored 78%, 70%, 62% and 65% marks in four subjects out of five subjects, then what is his percentage of marks in the fifth subject?

In an exam, 70% candidates passed in physics and 80% candidates passed in reasoning. If 55% passed in both, what percent failed in both subjects?

A shopkeeper offers 10% discount on an item with marked price Rs 400. If he charges 10% GST, then the final price of the item is

The income of X is 20% more than that of Y, and the income of Y is 10% more than that of Z. If X's income is ₹ 26,400, find the income of Z.

The salary of Anup is 30% more than that of Barun. Find what percentage is the salary of Barun less than that of Anup?