EASY
8th Tamil Nadu Board
IMPORTANT
Earn 100

Without calculating the square root, guess the number of digits in the square root of 390625.

Important Questions on Numbers

EASY
8th Tamil Nadu Board
IMPORTANT
Standard Eight Mathematics>Chapter 1 - Numbers>Try these>Q 3

Without calculating the square root, guess the number of digits in the square root of 100000000.

EASY
8th Tamil Nadu Board
IMPORTANT
Standard Eight Mathematics>Chapter 1 - Numbers>Try these>Q 1
Find the square root of: 5.4756
EASY
8th Tamil Nadu Board
IMPORTANT
Standard Eight Mathematics>Chapter 1 - Numbers>Try these>Q 2
Find the square root of: 19.36 
EASY
8th Tamil Nadu Board
IMPORTANT
Standard Eight Mathematics>Chapter 1 - Numbers>Try these>Q 3
Find the square root of: 116.64
EASY
8th Tamil Nadu Board
IMPORTANT
Standard Eight Mathematics>Chapter 1 - Numbers>Think>Q 1
36=6 9×4=3×2=6 36=9×4 81=_____ 9×9=_____×_____=_____ 81=9×9
EASY
8th Tamil Nadu Board
IMPORTANT
Standard Eight Mathematics>Chapter 1 - Numbers>Think>Q 2
144=____ 9×16=____×____=____ 144=9×16 144=____ 36×4=____×____=____ 144=36×4
EASY
8th Tamil Nadu Board
IMPORTANT
Standard Eight Mathematics>Chapter 1 - Numbers>Think>Q 3
100=____ 25×4=____×____=____ 100=25×4 1225=____ 25×49=____×____=____ 1225=25×49
MEDIUM
8th Tamil Nadu Board
IMPORTANT
Standard Eight Mathematics>Chapter 1 - Numbers>Try these>Q 1
Using the method of dividing by a multiple of 10, find the square root of 1.2321 and 11.9025.