Q: The sum of the ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?
A: 4 years
Q: Father is 5 years older than the mother and the mother’s age now is thrice the age of the daughter. The daughter is now 10 years old. What was the father’s age when the daughter was born?
A: 25
Q: The ages of the two persons differ by 20 years. If 5 years ago, the older one was 5 times as old as the younger one, then their present ages, in years, are
A: 30, 10
Q: A man of 25 years old is replaced by another man in a committee of 6 people, having an average age of 23 years. After 5 years the average age of the committee is 30, find the age of that man at the time of inclusion in the committee.
A: 37
Q: The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person ?
A: 85 kg
Q: The average of 11 numbers is 10.9. If the average of the first six is 10.5 and that of the last six is 11.4, the sixth number is
A: 11.5
Q: A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after the 17th inning.
A: 39
Q: Two groups of students, whose average ages are 20 years and 30 years, combine to form a third group whose average age is 23 years. What is the ratio of the number of students in the first group to the number of students in the second group?
A: 7:3
Q: Fifteen-year hence a man will be four times as old as he was fifteen years ago. His present age is
A: 25 years
Q: The age of Nithin, Roshini, and Akila are in the ratio 7:5:2 respectively. If the sum of their ages is 42 years, what is the age of Akila?
A: 6
Q: The average age of all the 20 students of a class is 24. The minimum age of a student is 18 and the maximum age of another student in the same class is 30 years. When the two students whose average age was 26 years rusticated from the class but later on one of the rusticated students was readmitted. Now the average age of the class is:
A: Cannot be determined
Q: The total age of A and B is 12 years more than the total age of B and C. C is how many years younger than A?
A: 12
Q: The average of 10 numbers is calculated as 15. It is discovered later on that while calculating the average, one number namely 36 was wrongly read as 26. The correct average is
A: 16
Q: The sum of the ages of 4 children born at the intervals of 3 years each is 58 years. What is the age of the youngest child?
A: 10 years
Q: The ratio of Vijay’s age to Vivek’s is equal to 10: 9. If Vijay will be 26 years old after 6 years. Find the present age of Vivek.
A: 18 years
Q: If a hostel’s mess owner expends Rs. 5000 on vegetables, Rs. 3000 on spices and Rs. 6500 on gas services per month for 50 students then what is the monthly average expenditure per student of his hostel’s mess.
A: 290
Q: Shyam bought 2 articles for Rs.5.50 each and 3 articles for Rs.3.50 each and 3 articles for Rs.5.50 each and 5 articles for Rs.1.50 each. The average price of an article is
A: Rs.3.50
Q: Sachin is younger than Rahul by 7 years. If their ages are in the respective ratio of 7:9, how old is Sachin?
A: 24.5
Q: The difference between the ages of the two brothers is 8 years. If 12 years ago, the elder one was twice as old as his younger brother, what is the present age of the younger brother?
A: 20
Q: Ramesh's age after 16 years will be 5 times his age 4 years back. What is his present age?
A: 9 years
Q: The average age of 30 boys in a class is 15 years. One boy aged 20 years, left the class, but two new boys came in his place the difference of whose ages was 5 years. If the average age of all the boys now in the class still remains 15 years, the age of the younger newcomer is
A: 15 years
Q: The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?
A: None of these
Q: The average age of eleven cricket players is 20 years. If the age of the coach is also included, the average age increases by 10%, the age of the coach is
A: 44 years
Q: The average marks of 7 students are 42%. When a student joined this group then the average is increased to 48%. Find the marks of the student who joined ?
A: 90
Q: A grocer has a sale of Rs 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs, 6500 ?
A: 4991
Q: The average age of P, Q, R, S five years ago was 45 years. By including T, the present average age of all the five is 49 years. The present age of T is
A: 45 years
Q: The average mark obtained in a class of 71 students is 48. If the average of the first 59 students is 46 and that of the last 11 is 52. Find the 60th student's mark.
A: 122
Q: The ages of Ram and Mohan differ by 16 years. Six years ago, Mohan’s age was thrice as that of Ram’s, find their present ages.
A: 14 years, 30 years
Q: The average age of the mother and her 6 children is 12 years which is reduced by 5 years if the age of the mother is excluded. How old is the mother?
A: 42 years