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 squares of the following numbers using the identity (a + b)2 = a2 + 2ab + b2:
405
Find the square of the following number by visual method:
95
Find the square of the following number by visual method:
702
Find the least number which must be subtracted from the following numbers to make them a perfect square:
4401624
Find the least number which must be subtracted from 1205 so that the resulting number is a perfect square.
Find the least number which must be subtracted from 2037 so that the resulting number is a perfect square.
Seeing the value of the digit at unit’s place, state which of the following can be square of a number :
(i) 3051
(ii) 2332
(iii) 5684
(iv) 6908
(v) 50699
By what smallest number should 216 be divided so that the quotient is a perfect square. Also find the square root of the quotient.
Find the square root of the following by long division method.
1369
