Property 4 If a number has a square root in N then its units digit must be `0, 1, 4 ,5 ,6or 9`.

Cube root of a number by using its units digit

The square of a number of the form a 5 (where a is tens digit and 5 is units digit) is the number which ends in 25 and has the number a(a+1) before 25

If a number has digit 2 at unit place, then its cube has digit _____ at its unit place.

How many 6-digit numbers can be formed by using the digits 4, 5, 0, 3, 4, 5?

Property 6 The units digit of the square of a natural number is the units digit of the square of the digit at units place of the given natural number.

Property 1 If the units digit of a number is 237 or 8 then it does not have a square root in N( the set of natural numbers).

If the units digits of a perfect square is 4 then the units digit of its square root can be

Find the number of 6-digit numbers that can be found using the digits 1, 2, 3, 4, 5, 6 once such that the 6-digit number is divisible by its unit digit. (The unit digit is not 1).