X= { The units digit of the sum of 10 consective natural numbers } Find X.

Find the sum of first 10 even natural numbers.

Find the sum of first 10 even natural numbers.

Find the sum of first 10 natural numbers

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.

The sum of three consective even numbers is 72. Find the numbers.

Find the sum of cubes of first 10 natural number .

Find the unit's digit in the product of the first 50 odd natural numbers.