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Question
Which among the following numbers can be arranged as a square?
Which among the following numbers can be arranged as a square?
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Solution
The correct option is A 64
The numbers that can be arranged as a square should have the same number of rows and columns.
Here,
64 = 8 ✖ 8
21 = 3 ✖ 7 or 7 ✖ 3
12 = 2 ✖ 6 or 6 ✖ 2 or 3 ✖ 4 or 4 ✖ 3
15 = 3 ✖ 5
The only number that can be arranged as a square with same number of rows and columns is 64.
Hence ‘option a’ is correct.
The numbers that can be arranged as a square should have the same number of rows and columns.
Here,
64 = 8 ✖ 8
21 = 3 ✖ 7 or 7 ✖ 3
12 = 2 ✖ 6 or 6 ✖ 2 or 3 ✖ 4 or 4 ✖ 3
15 = 3 ✖ 5
The only number that can be arranged as a square with same number of rows and columns is 64.
Hence ‘option a’ is correct.
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