Average

In a class, the number of boys and girls are distinct. The average age of all the student in the class equals the average of the average age of the boys and the average age of the girls. The sum of the average age of the boys and the average age of the girls is 10 years. Find the average age (in years) of the boys of the class

The average age of Sachin and Ganguli is 35 years, If Kaif replaces Sachin, the average age becomes 32 years and if Kaif replaces Ganguli, then the average age becomes 38 years. If the average age of Dhoni and Irfan be half of the average age of Sachin, Ganguli, and Kaif, then the average age of all the five people is :

In a group of 150 people , (2)/(5) are men, (1)/(3) are women and the rest are children . The average age of the women is (4)/(5) of the average age of the men . The average age of the children is (1)/(5) of the average age of the men . If the average age of the men is 50 years, then the average age of all the people in the group is :

The average age of Sachin and Gangili is 35 years if Kaif replaces Sachin the average age become 32 years and if Kaif replaces Ganguli then the average age becomes 38 years if the average age of Dhoni and Irfan is be half of the average age of Sachin Ganguli and Kaif then the average age of the five people is: