Word Problem 11: The average of two numbers is XY.... »
Problem 4: The average weight of a group of boys and girls is 38 kgs. The average weight of the boys is 42 kgs, and that of girls is 33 kgs. If the number of boys is 25. find the number of girls.
Problem 4: The average weight of a group of boys a... »
Problem 6: The average weight of three man A, B and C is 84 kgs. A fourth man D joins them, and then average weight of the four becomes 80 kgs. If E , whose weight is 3 kgs more than that of D, replaces A. Then average weight of B, C, D and E becomes 79 kgs. Find weight of A.
Problem 6: The average weight of three man A, B an... »
Problem 9: The average age of 600 students in a cl... »
Problem 1: The batting average for 40 innings of a... »
Problem 3: The average temperature for Saturday, S... »
Problem 5: The average weight of 5 men is increased by 1 kg, when one of them whose weight is 60 kgs, is replaced by a new man. What is the weight of the new man?
Problem 5: The average weight of 5 men is increase... »