Trick to remember squares of selected 4 digit numbers starting from 1000 till 1031.
Write "10", to its right double of last 2 digits from given number say ex. 1024. Then 2x24=48.
to the right of this "1048" write square of 24 i.e. 576.
your answer is 1048576.
Write "10", to its right double of last 2 digits from given number say ex. 1024. Then 2x24=48.
to the right of this "1048" write square of 24 i.e. 576.
your answer is 1048576.
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