Averages & Ages — practice questions with answers
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Ravi's father is 4 times as old as Ravi today. In 15 years, the father will be only 2.5 times as…The present age of a father is three times that of his son. After 8 years, the father will be…The average age of 30 students is 15 years. When the teacher's age is included, the average…Five consecutive even numbers have an average of 30. What is the largest of these numbers?The sum of the present ages of a father and his son is 45 years. Five years ago the father was six…The average of five numbers is 27. If one of the numbers, which is 35, is removed, what is the…Nine parcels in a courier van average 14.5 kg each. After one parcel is unloaded, the remaining…The present age of A is three times that of B. Five years ago, A was four times as old as B. Find…A father is 3 times as old as his son. After 12 years, he will be twice as old as his son. Find…The present age of a father is three times that of his son. After 8 years, the father will be…Seven years ago Meera's mother was 5 times as old as Meera; today she is only 3 times as old. What…A father is three times as old as his son. After 12 years, the father will be twice as old as his…The average of five numbers is 27. When one number is removed, the average of the remaining four…The average of five consecutive even numbers is 24. Find the largest of these numbers. (answer as…The average of 5 consecutive even numbers is 42. Find the largest of these numbers.The average age of a class of 30 students is 14 years. When the teacher's age is included, the…The average weight of 8 people increases by 2.5 kg when a new person replaces one of them who…If five consecutive even numbers average 64, what is the smallest of them?The average of 5 numbers is 46. If the number 30 is removed, find the average of the remaining 4…The average age of 3 friends is 24 years. A fourth friend joins and the average becomes 26 years.…The average of five consecutive even numbers is 30. Find the largest of these numbers.The average age of 30 students in a class is 12 years. When the teacher's age is included, the…The average of 11 numbers is 50. The average of the first six numbers is 48 and that of the last…A batsman has an average of 45 runs in 10 innings. How many runs must he score in his 11th innings…The sum of the present ages of a father and his son is 60 years. Six years ago the father's age…
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