Just one, a dime.
Four current American coins
It is impossible to have 14 coins equal to 25 cents.
You can't make fractions of cents.
No. 50, 20, 20, 5, 2, 2 will make 99 cents in the Euro zone.
Two coins
6
Just one, a dime.
Three coins; 50, 25, and 1.
4 pennies, 1 quarter, and a dime.
it is 5 a quarter 2 dimes and 2 pennies
Using standard American coins (1, 5, 10, 25 cents), the fewest number of coins to make $0.13 would be four -- one dime and three pennies. This number would be different in countries that use different denomination coins, such as the 2-cent piece.
Four current American coins
Two dimes + two nickels+ five pennies 20+10+5
Three
11
No, you can't make 25 cents out of 22 coins