Complete the sequence with the correct option from the following codes: M, T, W, T, ___, ____,  ____

The sequence is the initials of the days of the week in calendar order, starting from Monday: Monday (M), Tuesday (T), Wednesday (W), Thursday (T). The next three terms are Friday (F), Saturday (S) and Sunday (S). So the answer is B) F, S, S.

• A) F, S, T is wrong because the third term should be Sunday, which has the initial S, not T.
• C) S, F, T is wrong because the order is broken. Friday must come before Saturday, and the third term again should be S.
• D) T, F, S is wrong because the first term after Thursday is Friday (F), not Thursday again.

The core concept is recognising a sequence built on a known ordered set, here the weekdays, rather than a letter-by-letter pattern. Such items test quick recall of ordered sets, which is useful in reasoning and in any series question. Trap: aspirants often look for a repeating letter pattern, see T repeat, and pick A or D. Always check the real ordered set first.