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What is the median of the first 20 even numbers?

Answer :
Median of 20 even number is depends on these 20 even number , As :

We can take even number , As :  2 , 4 , 6 , 8 , 10 , 12 , 14 , 16 , 18 , 20 , 22 , 24 , 26 , 28 , 30 , 32 , 34 , 36 , 38 , 40  , So

Median  = n2th term  +n2 + 1th term  2
So,
Median of these 20 even numbers  = 202th term  +202 + 1th term  2 = 10th term  +11th term  2  = 20 + 22 2 = 422 =  21          ( Ans )

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21
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First 20 even number are 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40
the median of these number is 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40
                                                                                                 20
= 21
 
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21
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First 20 even numbers are 2, 4, 6, 8, 10, 12 , 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40

Median   =  2, 4, 6, 8, 10, 12 , 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40
               = 20, 22
               = 20 + 22
                       2

                =   42
                     2

                = 21

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21
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