A series is given, in which one term is missing. Choose the correct alternatives from the given ones that will complete the series:
C4, B9, F25, C49, ? , D169
A series is given, in which one term is missing. Choose the correct alternatives from the given ones that will complete the series:
C4, B9, F25, C49, ? , D169
Solution
✅ Correct Option: 3
The numbers are squares of consecutive primes: , so the missing number is 121.
The letters split into two alternating chains. Odd positions give C, F, ? which is 3, 6, 9, so the letter is I. Even positions give B, C, D. Hence I121.
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