Advertisements
Advertisements
Question
Find the number of digits in the square root of the following numbers (without any calculation).
144
Advertisements
Solution
Since the number of digits in 144 is 3 (= n), which is odd.
Then its square root will have `((n + 1)/2)` digits.
Number of digits = `(3 + 1)/2`
= `4/2`
= 2
APPEARS IN
RELATED QUESTIONS
Find the square root of the following number by division method.
1024
Find the squares of the following numbers using the identity (a + b)2 = a2 + 2ab + b2:
605
Find the square of the following number using the identity (a − b)2 = a2 − 2ab + b2:
995
Find the square of the following number by visual method:
95
Find the square of the following number by visual method:
99
Find the square root the following by prime factorization.
1156
Find the square root the following by long division method:
62504836
Find the square root of the following by long division method:
3226694416
Which of the following numbers will have 6 at their unit’s place :
(i) 262
(ii) 492
(iii) 342
(iv) 432
(v) 2442
Find the square root of the following by long division method.
1.44
