Question

11,19,27....59Find the sum

Answer 1

here you go....

a2-a1=19-11=8

a3-a2=27-19=8

a4-a3=35-27=8

a5-a4=43-35=8

a6-a5=51-43=8

a7-a6=59-51=8

a8-a7=67-59=8

The difference between every two adjacent members of the series is constant and equal to 8.

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Answer 2

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11, 19, 27, 35, 43, 51, 59