Login / Signup

Question

The average age of a group of 20 students is 40 years. Two persons of age 35 years and 30 years, left the group and 2 persons of age 40 years and 85 years, joined the group. Find the new average age of the group.

A 37 years

B 31 years

C 43 years

D 40 years

Practice Next

More Average Questions

The annual production of an article fluctuates. It consistently rises by 25% for two consecutive years, followed by a 20% decline in the third year. In the...
The average of four numbers (z+16), (y+15), (y-25) and 1.2z is (y-6). If one more number which is 144 is added then the new average will be (y-1). The valu...
The average weight of three men is increased by 5 kg when one of them, whose weight is 100 kg is replaced by another man. What is the weight of the new man...
The average age of 24 children and their teacher's age are 21 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
In a school with 400 students, the average of the age of the boys is 16 years and that of the girls is 12 years. If the average age of the school is 14 yea...
Find the average of 14, 18, 22 and 26.
There are three numbers such that when the average of any of the two numbers is added with the third number, sum obtained will be 130, 142 and 154. Find th...
The average of fifty numbers is 55 while the average of first twenty-five numbers and last twenty-five numbers is 60 and 70, respectively. Find the twenty-...
The average of two numbers is 2 more than the smaller number among them. If the greater number is 20% more than the smaller number, then find the sum of th...
The earnings of ‘U’, ‘V’, and ‘W’ are in the ratio 2:3:5. Their average income is Rs. 18,000. If they spend 45%, 55%, and 65% of their respective incomes, ...

Hey! Ask a query

ask-question