Q. 34.0( 1 Vote )

Three digit numbers are formed with the digits 0, 2, 4, 6 and 8. Write the probability of forming a three digit number with the same digits.

Answer :

The probability of forming 3-digit no. with digits 0,2,4,6,8 is as follows,

Since it is a 3 digit no., first place cannot have 0 as it will make it a 2 digit no.

1st place can be filled in 4 ways, 2nd place in 5 ways and 3rd in 5 ways.

 total number

The three digit numbers with same digits are 222,444,666,888

P (forming three-digit no.)

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