Question
PSLE
Letters Z, R and C formed a patten as shown below.

Z R C Z R Z R C Z R Z R C Z R . . .

If there are 149 'Z', what is the greatest possible number of letters in the pattern?
2 m

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PSLE
Letters Z, R and C formed a patten as shown below.

Z R C Z R Z R C Z R Z R C Z R . . .

If there are 149 'Z', what is the greatest possible number of letters in the pattern?