The average age of 12 children is 15 years. If another child comes the average age comes to 13. What is the age of the new child?

The average age of 12 children is 15 years. If another child comes the average age comes to 13. What is the age of the new child? ?

Created: 1 week ago | Updated: 1 week ago | Created By:

Imran Ahmed

11 years

7 years

9 years

None

0 1

Best Answer Explained in Below-:

Total age of the 12 children = 12 x 15 = 180 Total age of the children including the new child = 13 x 13 = 169 < 180 which is impossible.

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The average age of 12 children is 15 years. If another child comes the average age comes to 13. What is the age of the new child? ?

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A train 150 meter long and running at a speed of 60 km per hour takes 30 seconds to cross a bridge. what is a length of the bridge?

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