1. If $$(78)^{2}$$ is subtracted from the square of a number, we get 6460. What is that number ?





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  • By: anil on 05 May 2019 02.44 am
    $$112^{2}$$ -$$78^{2}=6460$$ -by trial and error Option B is correct.
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MCQ->If $$(78)^{2}$$ is subtracted from the square of a number, we get 6460. What is that number ?....
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