1.

the average age of 25 men is 28 years.5new men of an average age of 25 years joined them.find the average age of all men together. ​

Answer»

GIVEN:-

  • Average AGE of 25 men = 28 years
  • Number of new men added = 5
  • Average age of new men = 25 years

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To Find:-

  • Average age of all men together?

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Solution:-

➥ Total age of 25 men

= 25 × 28

= 700

➥ Total age of new men

= 5 × 25

= 125

➥ Total number of men

= 25 + 5

= 30

➥ Total age of 30 men

= 700 + 125

= 825

➥ Average age of all men together

= Total age ÷ total men

= 825 ÷ 30

= 27.5

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Answer:-

•Average age of all men together is 27.5 years.

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