A grocer has a sale of Rs.6635, Rs.7127, Rs.7055, Rs.7430 and Rs.6462 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs.6700? (In Rs.)

The average age of Ram and Rohan is 45 years. If Aravind were to replace Ram, the average age would be 44 years; and if Aravind were to replace Rohan, the average age would be 46 years. What are the ages of Ram, Rohan and Aravind, respectively, in years?

The average of 4 natural numbers is 162.5. The highest natural number is 326 and the lowest natural number is 74. The difference between the remaining two natural numbers is 44. Which of the following natural numbers is higher of the remaining two natural numbers?

The average age of 5 members of a family is 20 years. If a new member joins the family, the average age becomes 18 years. What is the age of the new member?

The average of three numbers A,B, and C is 48 . The average of A and B is 45 . The average of B and C is 49 . What is the value of B ?

The average of 161 EB readings was 154 units. Later on it was found that a reading 165 was wrongly typed as 160. Find the correct average. (Approximately)

A Gift box contains 10 bangles, of which average weight of first 4 bangles is 103 grams and the average weight of remaining 6 bangles is 113 grams. Find the average weight of the total bangles. (in grams)

The average of the squares of the first 82 natural numbers is

The average of the squares of the first 83 natural numbers is

The average (rounded off to two decimal place) of the squares of the first 84 natural numbers is

The average price of three items of furniture is ₹5045. If their prices are in the ratio 3:5:7, the price of the costliest item (in ₹) is