Question

(
perle
The
greates
4 digit
9801
1. What could be the possible 'one's digits of the square root of each of the following
numbers?
(i) 9801
(ii) 99856 Min) 998001
(iv) 057666025
2. Without doing any calculation, find the numbers which are surely not perfect squares,
(i) 153
(ii) 257
(iii) 408
(iv) 441
3. Find the square roots of 100 and 169 by the method of repeated subtraction,
4. Find the square roots of the following numbers by the Prime Factorisation Method,
(i) 729
(ii) 400
(iii) 1764
(iv) 4096
(v) 7744
(vi) 9604
(vii) 5929
(viii) 9216
(ix) 529
(x) 8100
5. For each of the following numbers, find the smallest whole number by which it should
be multiplied so as to get a perfect square number. Also find the square root of the
square number so obtained.
© 252
(ii) 180
(iii) 1008
(iv) 2028
(V) 1458
(vi) 768
6. For each of the following numbers, find the smallest whole number by which it should
be divided so as to get a perfect square. Also find the square root of the square
number so obtained.
(1) 252
(ii) 2925
(iii) 396
(iv) 2645
(V) 2800
(vi) 1620
7. The students of Class VIII of a school donated 2401 in all, for Prime Minister's
dig
The u
C
Step
Step
$hi \:$
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Answer 1

Answer:

what you have written......

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