Question

The mean of of three numbers is 19 if two of them are 10 and 15 find the third number

Answer 1

GIVEN:-

Mean of three numbers=19

Two No. are➛ 10 and 15

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TO FIND➠

Third Number?

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SOLUTION➛

What do you mean by mean?

Mean is the average of the Given numbers. In other words add up all the numbers, then divide by how many numbers there are.

Let third no. be x

then,

Mean➠ (10+15+x)/3=19

10+15+x=57

x=57-25

x=32

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ANSWER➛

Third Number is

32

Answer 2

Answer:

32

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