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Olympia question: “The sum of the ages of 4 brothers is 15 years younger than their mother, how many years will they be equal to their mother’s age”?

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The Road to Mount Olympia has long become a most attractive program with evidence that has a history of more than 20 years of broadcasting. Everyone admires that the show has an attractive format, a talented cast of contestants, and a source of extensive knowledge. Not only encapsulated in the high school curriculum, but the question system also covers all areas of life.

However, the questions are not always too difficult, but sometimes they are easy, even the audience watching can answer in a few seconds. Typically, short and simple math questions like elementary knowledge. If you don’t believe it, try the questions in The Road to Olympia 17, Week 3, January, and Quarter II below:

Currently, the total age of 4 brothers Kiet, Thao, Dung, Ha is 15 years younger than their mother. In how many years will the sum of the ages of 4 brothers be the same as their mother’s age?

  Question Olympia: The sum of the ages of the four brothers is 15 years younger than their mother, in how many years will they be the same age as their mother?  - The answer is very easy!  - Photo 1.

Source: Road to Mount Olympia

Right in the topic, it is very clear that the difference between the sum of the ages of 4 brothers and the age of the mother, requires finding the number of years for the two data to be equal. In this problem, it is only necessary to apply the calculations learned in elementary school to perform, but there are still many people and Olympia contestant giving wrong answers.

The answer to this question is: 5 years.

We have, after each year, the sum of the ages of the 4 brothers will increase by 4, the age of the mother will increase by 1, the difference between these two facts is 3. So to shorten the 15 year gap, divide by 15 3 will give an answer of 5 (five).

Although the numbers are not large and quite simple, if calculating in a short time, many people may be confused a bit. Therefore, besides agility, it also needs meticulousness and absolute accuracy to solve these puzzles. Are you confident to be an Olympia contestant after answering this question?

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