What could be the possible'ones' digits …
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Yogita Ingle 5 years, 3 months ago
The possible digit at one’s place of the square root of:
(i) 9801 can be 1 or 9.
( ∵ 1 x 1 = 1 and 9 x 9 = 81)
(ii) 99856 can be 4 or 6.
( ∵ 4 x 4 = 16 and 6 x 6 = 36)
(iii) 99001 can be 1 or 9
( ∵ 1 x 1 = 1 and 9 x 9 = 81)
(iv) 657666025 can be 5.
( ∵ 5 x 5 = 25)
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