Numbers between Square Numbers

Q.

Square root of 27 lies between which two consecutive numbers? [1 MARK]

Q. Add the product of (-13) and (-17) to the quotient of (-187) and 11.

Q. Find the product, using suitable properties:
$625\times (-35)+(-625)\times 65$

Q. Find the product, using suitable properties:
$625\times (-35)+(-625)\times 65$

Q.

Q.

How many numbers lie between squares of the numbers $25$ and $26$

Q.

How many numbers lie between squares of the numbers $12$ and $13$

Q. Find the product, using suitable properties:
$625\times (-35)+(-625)\times 65$

Q. Is the product of two perfect squares always a perfect square?

Q. How many natural number lie between square of the following numbers?
$90$ and $91$