Question
What will come in place of the question mark (?) in the
following series? 206, 187, ?, 157, 146, 139Solution
ATQ, The series is: Number – consecutive prime number in descending order starting from 19 206 – 19 = 187 187 – 17 = 170 170 – 13 = 157 157 – 11 = 146 146 – 7 = 139
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