2.How many 4-digit even numbers can be formed using the digits 0,1,2,3,4 if repetition is not permitted ? *
36
24
60
80
4. Find the number of different signals that can be generated by arranging atleast 2 flags in order (one below the other) ,if 5 different flags are available. *
60
120
240
320
answer if u know
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Answer:
Sorry dear don't have any idea!
Step-by-step explanation:
Sorry fot it anyother questoin....
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