Q1. A library has an average of 510 visitors on Sundays and 240 on other days The average number of visitors per day in a month of 30 days beginning with a Sunday is

Q2. There were 35 students in a hostel Due to the admission of 7 new students the expenses of the mess were increased by Rs 42 per day while the average expenditure per head diminished by Re 1 What was the original expenditure of the mess

Q3. The average marks in Science subject of a class of 20 students is 68 If the marks of two students were misread as 48 and 65 of the actual marks 72 and 61 respectively then what would be the correct average

Q4. The average weight of 15 students in a class increases by 1 5 kg when one of the students weighing 40 kg is replaced by a new student What is the weight in kg of the new student

Q5. A batsman has a certain average of runs for 12 innings In the 13th innings he scores 96 runs there by increasing his average by 5 runs What is his average after the 13th innings