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

#2. The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is

#3. The average age of the mother and her six children is 12 years which is reduced by 5 years if the age of the mother is excluded. How old is the mother

#4. A motorist travel to a place 150 km away at an avearge speed of 50 km/hr and returns ar 30 km/hr.His average speed for the whole jouney in km/hr is

#5. The average of six numbers is X and the average of three of these is Y.If the average of the remaining three is z, then

#6. The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is

#7. If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is

#8. Average of 10 matches is 32, How many runs one should should score to increase his average by 4 runs.

#9. The average score of a cricketer for ten matches is 38.9 runs. If the average for first six matches is 42, then average for last four matches is

#10. Average of five numbers is 27. If one number is excluded the average becomes 25. The excluded number is

#11. Average weight of 10 people increased by 1.5 kg when one person of 45 kg is replaced by a new man. Then weight of the new man is

#12. A batsman makes a score of 87 runs in the 17th match and thus increases his average by 3. Find his average after 17th match

#13. A library has an average of 510 visitors on Sundays and 240 on other day. The average number of visitors in a month of 30 days starting with sunday is

#14. Average age of boys in a class is 16 years and average age of girls is 15 years, what is the average age of all

#15. Average of first five multiples of 3 is

#16. Average of all prime numbers between 30 to 50

#17. Reeya obtained 65, 67, 76, 82 and 85 out of 100 in different subjects, What will be the average.

#18. Find the sum of first 30 natural numbers

#19. Find the average of first 10 multiples of 7

#20. The average of four consecutive odd numbers is 24. Find the largest number.

#21. Average of 10 numbers is zero. At most how many numbers may be greater than zero

#22. Find the average of all numbers between 6 and 34 which are divisible by 5