How many natural numbers less than a lakh can be formed with the digit

1.	How many natural numbers less than a lakh can be formed with the digits 0,6 and 9?$?
A.	242
B.	243
C.	728
D.	729
Answer» B. 243

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How many natural numbers less than a lakh can be formed with the digits 0,6 and 9?$?

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