Sandeep sold an overcoat for ₹8,784 and made a profit of 22%. Determine the original cost of the overcoat.
In a school, class 11th has three sections A, B and C. There are 30 students in Section A, 36 students in Section B, and 40 students in Section C. The average marks scored by the students in Section A, Section B and Section C in the Mathematics annual exam are 90, 85 and 70, respectively. Find the average marks scored by the whole class, correct to two places of decimals.
The graph shows the number of students who appeared and passed in class XII final exams in a school in different years.
In which year is the percentage of students passed with respect to students appeared the highest?
During the first year, the population of a village increased by 5%, and during the second year, it reduced by 6%. At the end of the second year, its population was ₹35,532. What was the population at the beginning of the first year?