Practice Test Discussion

Q)

653×749=?

[PNB(PO), 2010]


  • Explanation

    In this above question,

     Here, ?= 653×749 = (70148)×(701 + 48= (701)2(48)2     [a2b2=(a+b)(ab)]=4914012304=489097

    Hence, option E is correct.

     

     

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