Question

How many numbers lies between square of 90 and 91?​

Answer 1

$\huge\boxed{\fcolorbox{red}{pink}{181}}$

• 90×90
• 8100

• 91×91
• 8281

How many numbers lies between square of 90 and 91?

• 8281-8100
• 181

Answer 2

Step-by-step explanation:

Number of numbers between 91^2 and 90^2 =91^2-90^2

=(91+90)(91-90)

=181