Q.

The number of 6-digit numbers that can be formed using the three  digits 0,1 and 2, is

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a

36

b

35

c

none of these

d

2x35

answer is B.

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Detailed Solution

Since 0 cannot be at the first place and the remaining each place can be filled in 3 ways.

2x3x3x3x3x3

Hence, required number of numbers =2×35.

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