Find the wrong number in the series 7 28 63 124 215 342
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7 = 2^3-1
28= 3^+1
63=4^3-1
124=5^3-1
215=6^3-1
342=7^-1
out of all this 28 is wrong it should be 26
28= 3^+1
63=4^3-1
124=5^3-1
215=6^3-1
342=7^-1
out of all this 28 is wrong it should be 26
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This is ur answer hope it will help u
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