Question
PSLE
Letters B, R and K formed a patten as shown below.

B R B K B B R B K B B R B K B . . .

If there are 142 'B', what is the greatest possible number of letters in the pattern?
2 m

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PSLE
Letters B, R and K formed a patten as shown below.

B R B K B B R B K B B R B K B . . .

If there are 142 'B', what is the greatest possible number of letters in the pattern?