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 child?
More Average Questions
- In an examination, the average marks obtained by the students is 60. After correcting the quantitative mistakes, the average of 100 students is reduced to ...
- What will be the average of odd numbers between 20 to 74?
- 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 wage of a group of 49 labourers is Rs. 650. If 4 persons receiving average wage of Rs. 500 leave the group and 2 persons receiving average wage...
- What is the average of the squares of the first 41 natural numbers?
- The average of five even numbers is 64. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4. Wh...
- The average of a set of s numbers is 18. If 30 is added to the set, then the average of the set becomes 18.3. Find the value of 5 X (s - 15).
- The average marks of 20 students in a class is 40. If the marks of one student scoring 35 are replaced by another student scoring 55, and then each student...
- The average age of A and B is 19 years. If A is to be replaced by C, the average would be 18 years. The average age of C and A is 20 years. Find the age of...
- Rs. 5040 was distributed among W, X, Y, and Z in the ratio 2:5:4:3 respectively. After that, X gave an amount equal to 80% of the average of W and Z's init...
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
