Can a rectangular number also be a square number? Can a triangular number also be a square number?

Irrational numbers are real numbers also.

Are all whole numbers also natural numbers?

Are all natural numbers also whole numbers?

A positive interber is a natural number also.

Without drawing a diagram, find (i)10th square number (ii) 6th triangular number

Contrapositive of the statement. If the squares of two numbers are equal then the numbers are equal is (A) If the squares of two numbers are equal then the numbers are equal (B) If the squares of two numbers are not equal then the numbers are not equal (C) If two numbers are not equal then the square of the numbers are not equal (D) If squares of two numbers are equal then the numbers are to equal

For each of the following numbers, find the smallest whole number by which it should be multiplied so as to get a perfect square number. Also find the square root of the square number so obtained.(i) 252 (ii) 180 (iii) 1008 (iv) 2028(v) 1458 (vi) 768

STATEMENT-1 : The dual statement of "xis a perfect square or xis a prime number" is "x is a perfect square and a prime number and STATEMENT-2 : If x is a prime number, then it isnot a perfect square.

Find the squares of the number127

The sum of the squares of three consecutive natural numbers is 149. Find the numbers.