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**A library has an average of 510 visitors on Sundays and 240 on other day. The average number of visitors…****The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the…****Find the sum of first 30 natural numbers****Find the average of all numbers between 6 and 34 which are divisible by 5****Average age of boys in a class is 16 years and average age of girls is 15 years, what is the average…****The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child…****The average of six numbers is X and the average of three of these is Y.If the average of the remaining…****Average of five numbers is 27. If one number is excluded the average becomes 25. The excluded number…****If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the…****The average of four consecutive odd numbers is 24. Find the largest number.****The average age of the mother and her six children is 12 years which is reduced by 5 years if the age…****Reeya obtained 65, 67, 76, 82 and 85 out of 100 in different subjects, What will be the average.****The average score of a cricketer for ten matches is 38.9 runs. If the average for first six matches…****A batsman makes a score of 87 runs in the 17th match and thus increases his average by 3. Find his average…****When a student weighing 45 kgs left a class, the average weight of the remaining 59 students increased…****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 weight of 10 people increased by 1.5 kg when one person of 45 kg is replaced by a new man. Then…****Average of 10 numbers is zero. At most how many numbers may be greater than zero****Average of all prime numbers between 30 to 50****Average of first five multiples of 3 is****Average of 10 matches is 32, How many runs one should should score to increase his average by 4 runs.****Find the average of first 10 multiples of 7**