Squares and Squ...

All perfect squares end in 0, 1, 4, 5, 6, __.

Identify the Pythagorean triplet.

How many two-digit numbers satisfy this property: The last digit (unit's digit) of the square of the two-digit number is 8 ?

Which one of the following can't be the square of natural number?

A man plants his orchard with $$5625$$ trees, and arranges them so that there are as many rows as there are trees in a row; how many rows are there?

What will be the units digit of the square of the given number $$7286$$ ?

What will be the units digit of the square of the given number $$39$$?

Which of the following is not a perfect square?

Which one of the following numbers is not a perfect square from $$4900, 90000, 810000, 81000$$?

Find the value of $$5^2$$.