Mars is known as the "Red Planet" because of its reddish appearance caused by iron oxide (rust) on its surface.
The average of five even numbers is 72. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4....
In a family of 10, the men eat on average 65 kg of food and women eat on an average 45 kg of food. The men and women are equal in number. A woman...
The average of 8 numbers is 5.95. The average of two of them is 5.4, while the average of the other two is 5.86. the average of the remaining four numbe...
Average weight of a team of 16 persons is 37 kg. When one more person joins the team, the average weight of the team increases by 4 kg. Find the weight ...
The average expenditure of a man for the first 3 month is Rs.6000 and for the next 9 months is Rs.7500. If he saves 15000 in that year then find his ave...
The average age of a group of persons going for tour to Shimla is 22 years. 25 new persons with an average age of 10 years join the group and their aver...
The average of five consecutive odd numbers is 61. What is the average of the first three numbers among them?
Mukesh has twice as much money as Soham, Soham has 50% more money than Pankaj. If the average money with them is Rs.110, then Mukesh has
The average age of a group of 10 students is 30 years. Two persons of age 25 years and 30 years, left the group and 2 persons of age 54 years and...
The average of five even numbers is 38. If we replace two of these even numbers, 88 and 92, with a single even number X, the new average decreases by 4....
