In the a.p,2,4,6,8,.........100.how many pair of equal sum are there?what is the sum of each pair

Answer :

There could be many pairs that have same sum to each other , As :

4 + 6 =   8 +2 

10 = 10

Or

4 + 8 =  2 + 10

12 = 12
Or

100 + 2 =  98 + 4

102 = 102

So,

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