Question

How Many 3 Digits Number Can Greater Than 300 Can Be Made Using The Number 1,2,3,4,5 If i) Repetation Is Allowed ii) Repetation Is Not Allowed
Plz Answer Fast​

Answer 1

Answer:

Step-by-step explanation:

i) Repetition Is Allowed

Possibility of digits

Hundredth  place can be 3,4,5(3)

Tenth place=1,2,3,4,5 (5)

Unit place =1,2,3,4,5 (5)

Total no=3*5*5=75

ii) Repetition Is not Allowed

Possibility of digits

Hundredth  place can be 3,4,5(3)

Tenth place=5-1=4 ( 1 less then total digits)

Unit place =4-1=3( (2 less then total digits)

Total no=3*4*3=36

Answer 2

Answer:

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Step-by-step explanation:

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