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[DMD to Be]

If N is any positive integer, how many consecutive integers following N are needed to insure that at least one of the integers is divisible by another positive integer m?

A. m-1
B. m
C. m+1
D. 2m
E. m^2


Stella has 3 quarters and 4 dimes. How many different amounts can she form with these 7 coins, using at least one coin each time?

A. 8
B. 19
C. 20
D. 21
E. 25

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[DMD to Be]

If N is any positive integer, how many consecutive integers following N are needed to insure that at least one of the integers is divisible by another positive integer m?

A. m-1
B. m
C. m+1
D. 2m
E. m^2


Stella has 3 quarters and 4 dimes. How many different amounts can she form with these 7 coins, using at least one coin each time?

A. 8
B. 19
C. 20
D. 21
E. 25

anyone?