Problems on numbers: Divisibility and units digit What is Divisibility? Divisibility refers to the ability of a number to be divided by another number w...
Problems on numbers: Divisibility and units digit
What is Divisibility?
Divisibility refers to the ability of a number to be divided by another number without leaving a remainder. For example, 12 is divisible by 3 because 12 ÷ 3 = 4 with no remainder. However, 15 is not divisible by 3 because 15 ÷ 3 = 5 with a remainder.
What is the Units Digit?
The units digit is the last digit of a number when expressed in base 10 (the decimal system). For instance, in the number 123, the units digit is 3, and in the number 456, the units digit is 6.
Problems involving Divisibility and Units Digit: