Question
PSLE
Letters D, X, C formed a patten as shown below.

D X D C D D X D C D D X D C D . . .

If there are 89 'D', what is the greatest possible number of letters in the pattern?
2 m

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PSLE
Letters D, X, C formed a patten as shown below.

D X D C D D X D C D D X D C D . . .

If there are 89 'D', what is the greatest possible number of letters in the pattern?