What comes next in the series: 6C, 10F, 14I, 18L, ?
A22O
B22G
C20T
D22L
Answer & Solution
Correct answer: A. 22O
1. The numbers increase by 4: 6, 10, 14, 18, next is 22.
2. The letters move by 3: C, F, I, L, next is O.
3. So the next term is 22O.
_Source: RRB Group D CEN-02/2018 PYQ, Q.73._
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