Q1. In a famous hotel the rooms were numbered from 201 to 230 each room gives an earning of Rs 5000 for the first fifteen days of a month and for the latter half Rs 3000 per room Find the average income per room per day over the month September

Q2. The sum of five numbers is 260 The average of the first two numbers is 30 and average of the last two numbers is 70 What is the third number

Q3. Suppose xi i for 0 i 10 where l 1 Which one of the following is correct

Q4. Kamlesh bought 65 books for Rs 1 050 from one shop and 50 books for Rs 1 020 from another What is the average price he paid per book

Q5. The average of 50 number is 40 If two numbers namely 45 and 55 are discarded the average of remaining numbers is