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Jagruti
Answers (1)
Let the first no. be =x Let the second no. be =x+2 Let the third no. be =x+4 x + x+2 + x+4 = 69 3x + 6 = 69 3x = 69 - 6 3x = 63 x = 63/3 x = 21 First no. = 21 Second no. = 23 Third no. =25 Therefore, 23 is a prime number
