Question
The average age of 4 children in a family is 30% of the average age of the mother and the youngest child. The total age of the father and the eldest child is 42 years. If the father’s age is 28 years, what is the age of second eldest child?
More Average Questions
- Average weight of 17 nurses is 48 kg. If the weight of one more nurse is included, then average weight is increased by 1 kg. Find the weight of the newly a...
- The average expenditure of a man for the first 8 month is Rs.4000 and for the next 4 months is Rs.6000. If he saves 10000 in that year then find his averag...
- There are three distinct numbers ‘d’, ‘e’ and ‘f’. If, d = 120, (d + e) = 420 and (f – e) = 60, then find the average of d, e and f.
- The average number of books read by 40 Indian students in a year is 30. If the books read by their librarian are included, the average increases by 2 books...
- The average marks of 22 students is 64. If x new students join with an average of 75 marks, the class average increases to 66. Find x.
- The average of two numbers ‘P’ and ‘Q’ is 480 such that they are in the ratio 5:7 respectively. Another number ‘R’ is 60 more than ‘Q’ and fourth number ‘S...
- The number of students in class 'A' is 140, and the ratio of girls to boys is 9:5. If the average number of boys in classes A and B is 160, and the average...
- The average of 30 numbers is 72. If the average of the first 12 numbers is 60 and the average of the last 19 numbers is 80, find the 12th number.
- In a class of 50 students, the girls are 76%. The average weight of boys is 62 kg and that of girls is 58 kg. What is the average weight (in kg) of whole c...
- The average of 7 consecutive odd numbers is 39. What is the smallest of these numbers?
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
