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Question:

Average age of 8 men is increased by 3 years when two of them whose ages are 30 and 34 years are replaced by 2 persons. What Is the average age of the 2 persons?

A24 years

B32 years

C44 years

D48 years

Answer:

C. 44 years

Explanation:

Let the initial average age of 8 men be x Let the average age of two new persons added be y. so according to the question 8x - 30 - 34 + 2y = 8(x + 3) - 30 - 34 + 2y = 24 2y = 88 y = 44

Related Questions:

The average salary of the entire staff in Reliance Company is Rs.15000 per month. The average salary of officers is Rs.45000 per month and that of non-officers is Rs.10000 per month. If the number of officers is 20 then find the number of non-officers in the Reliance company.

അഞ്ചു സംഖ്യകളുടെ ശരാശരി 41, 35 എന്ന പുതിയ ഒരു സംഖ്യ കൂടി ആറാമതായി ചേർത്താൽ പുതിയ ശരാശരി എത്ര ?

In a class of 50 students one who weighs 40 kg leaves the school and in his place a new student is admitted. Now the average weight of the class is reduced by 100 grams. Find the weight of the new student.

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At the time of marriage, the average age of a couple was 22 years. If they had a child after 3 years, what would be the average age of the family?