Averages & Ages — practice questions, page 2
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A is 5 years older than B. Five years from now, the sum of their ages will be 55 years. Find the…Six numbers written on a board have a mean of 38. Rahul rubs out the number 23. What is the mean…Four cousins have an average age of 19 years. When a fifth cousin joins them, the average age…The average of 5 consecutive even numbers is 36. What is the largest of these numbers?The average age of 11 players of a team is 25 years. When the coach's age is included, the average…The average of 10 numbers is 40. When one number is removed, the average of the remaining 9…Mr. Iyer is 30 years older than his son. In 5 years, Mr. Iyer's age will be three times his son's…Six parcels weigh 42 kg on average. If the 57 kg parcel is taken off, what is the average weight…The average of 6 numbers is 24. When one number is removed, the average of the remaining 5 numbers…The average weight of 4 boys is 50 kg. When a fifth boy joins them, the average weight becomes 52…The average of five consecutive odd numbers is 27. Find the smallest of these numbers.A cricketer has an average of 32 runs in 8 innings. How many runs must he score in his 9th innings…A father is three times as old as his son. After 12 years, the father will be twice as old as his…The average age of 30 students is 12 years. When the teacher's age is included, the average…The sum of the present ages of a mother and her daughter is 60 years. Six years ago, the mother's…The average age of 11 players of a team is 24 years. If the coach's age is included, the average…The average weight of 8 persons increases by 2.5 kg when a new person replaces one of them who…The present age of a father is three times that of his son. After 12 years, the father's age will…A man is 24 years older than his son. In two years, the man's age will be twice the age of his…Five parcels at a Jaipur courier office weigh 18 kg on average. If a 10 kg parcel is sent out,…Seven runs scored by a batter have a mean of 34. Dropping one score brings the mean of the…35 players in a hockey camp have an average age of 14 years. Including the coach, the average goes…What is the mean of all the odd numbers between 10 and 30?Seven players of a cricket squad have an average weight of 60 kg. One player weighing 72 kg leaves…The average weight of 35 students is 42 kg. When the teacher's weight is included, the average…
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