Q1. When a student weighing 45 kgs left a class the average weight of the remaining 59 students increased by 200 g What is the average weight of the remaining 59 students

Q2. There are two groups A and B of a class consisting of 42 and 28 students respectively If the average weight of group A is 25 kg and that of group B is 40 kg find the average weight of the whole class

Q3. In an exam the average was found to be 50 marks After deducting computational errors the marks of the 100 candidates had to be changed from 90 to 60 each and the average came down to 45 marks The total number of candidates who took the exam was

Q4. 3 years ago the average age of A B and C was 27 years Also 5 years ago the average age of B and C was 20 years What is the present age of A

Q5. The average temperature for the the first 5 month of the year is 40 c and the average temperature from second to sixth month is 42 c and the ratio b w the temperature of 1st day and the 6th day is 3 4 find the temperature of the sixth day