Question : The least number to be subtracted from 16800 to make it a perfect square is:
Option 1: 169
Option 2: 219
Option 3: 159
Option 4: 249
Answer (1)
3rd Jan, 2024
Correct Answer: 159
Solution :
The closest perfect square to 16800 is 16900, a square of 130.
So, the square of 129 = 129 × 129 = 16641
The least number to be subtracted from 16800, to make it a perfect square is:
16800 – 16641 = 159
Hence, the correct answer is 159.
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