unit digit में क्या?? #shorts

In a two-digit number, the tens digit is twice the units digit. If the sum of its digits is 9. Find the number

The units digit of the square of a number and the units digits of the cube of the number are equal to the units digits of the number .How many values are possibles for the units digits of such number?

If the units digit of a perfect square is 5 then the units digit of its square root is _________

A three digit number is such that this number itself is divisible by the sum of its digits. The sum of hundreds and unit digit is 6 while the sum of the tens and unit digit is 5. What is the ratio of unit and tens digit :

The tens digit of a two digit number is less by 3 than the unit digit If the product of the two digits is subtracted from the number,the result is 15. Let us write the unit digit of the number by calculation.