#4792. Four years ago, the average of A, B, and C was 23 years and that of B, and C, three years ago was 24 years. Find A's present age.

]]>#4791. If the sum of three consecutive even numbers is 36 more than the average of these numbers, find the largest of these numbers.

]]>#4790. Find the average of first 20 multiples of 4.

]]>#4789. The average age of three boys is 16 years. If their ages are in the ratio 4:5:7, what is the age of the eldest boy?

]]>#4788. Find the average of all odd numbers between 20 and 30.

]]>#4787. The average of temperatures at noon time from Monday to Friday is 50° C; the lowest one is 45° C. What is the possible maximum of the temperature (in °C)?

]]>#4786. The average of 5 quantities is 6. The average of three of them is 8. What is the average of the remaining two numbers?

]]>#4785.A zoo has an average of 510 visitors on Sundays and 240 on other days. Find the average number of visitors per day in a month of 30 days beginning with a Saturday.

]]>#4784. The average of five consecutive even numbers is 24. Find the difference between the largest and the smallest number.

]]>#4783. If the average of five consecutive even numbers is 24, find the largest of these numbers.

]]>#4782. The average of 9 integers is found to be 11. But after calculation, it was detected, by mistake, the integer 23 was copied as 32, while calculating the average. After the correction is made, find the new average.

]]>#4781. Find the average of all the numbers between 9 and 31 which are divisible by 5.

]]>#4780. If a, b, c, d, and e are five consecutive even numbers, find their average in terms of a.

]]>#4779. Find the average of the first 10 prime numbers.

]]>#4778. The average of five prime numbers is 6.If the first four of them are one-digit prime numbers, find the value of the 5th prime number.

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