The least number which must be subtracted from 1989 to get a perfect square is ____
a. 36
b. 43
c. 53
d. 63
e. None of these
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Answer:
The least number which must be subtracted from 1989 to get a perfect square is 53 .
Step-by-step explanation:
1989 - 53 = 1936
=(44)²
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