What is X in the sequence 132, 129, 124, 117, 106, 93, X ?
74
75
76
77
Ans is (c). The series is reducing by 3, 5, 7, 11, 13 ... i.e., by prime numbers starting with 3. So, the next prime will be 17. The value of X will be 93 – 17 = 76.
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