**Q1.** Average of five consecutive number is 27. Find greatest number?

**Q2.** Average of 7 consecutive number is 20. Find greatest number?

**Q3.** Average of four consecutive even numbers is 15. Find second highest number in this series

**Q4.** Average of 7 consecutive numbers is 25. Fin the average of first and last term in this series.

**Q5.** Find the average of 1 to 50 even numbers .

**Q6.** Find the average of 1 to 100 odd numbers

**Q7.** If average of 5 consecutive even numbers is 40 then what is the greatest number.

**Q8.** Average of 11 consecutive even numbers is 50 then what is the sum of the lowest and highest number.

**Q9.** Find the average of even numbers between 11 to 63.

**Q10.** Find the average of even numbers between 51 to 187

**Q11.** The average of series 40, 43, 46, 49……………….320 is

**Q12.** Average of 51, 57, 63, 69………………….135 is

**Q13.** Average of 5 consecutive numbers is n, if two next numbers also taken then what will done in average.

**Q14.** Average of consecutive natural numbers is m. If next three consecutive numbers also attached then how much more will be the average of all 8 numbers

**Q15.** Average of 10 number is 12. If 3 is added to each number. Find the new average?

**Q16.** Average of 10 number is 20. If 5 is subtracted from each number. Find a new average?

**Q17.** Average of 20 numbers is 25. If each number is multiplied by 2. Find the new average?

**Q18.** Average of 20 numbers is 50. If each number is divided by 5. Find the new average?

**Q19.**19 girls and 1 boy go to a restaurant for lunch. If each girl spent Rs. 30 and boy spent Rs. 72000 more than average of expenditure of all. Find the amount spent by the boy?

**Q20.** 11 girls and 1 boy go to a restaurant for lunch. If each girl spent Rs. 2 and boy spent Rs. 33000 more than average of expenditure of all. Find the amount spent by the boy?

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