Q1. For three successive years the cost of petrol were Rs 20 per litre Rs 22 per litre and Rs 23 50 per litre respectively If a man spent an average of Rs 8000 per year on petrol then he spent what average cost of petrol per litre for the three years

Q2. The average of 10 numbers is 7 What will be the new average if each of the numbers is multiplied by 8

Q3. 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

Q4. The average of 7 consecutive numbers is 20 The largest of these numbers is

Q5. In a race with 10 competitors the first place finisher receives a gold medal the second place finisher receives a silver medal and the third place finisher receives a bronze medal If there are no ties in how many different ways may these three medals be awarded