Which of the following numbers are perfect squares of even numbers?
121, 225,784, 841,576,6561
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784 and 576 are perfect squares of even no. because if a no. ends with 1 or9 its square will be 1 and if a no. ends with 4 or 6 its square will be 6. I hope it will help you. Please mark me as brainlist
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