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Previous Year Question (PYQs)



What is the value of X in the following equation?

$(1111111)_2 + (4543)_8 = (X)_{16}$






Solution

$(1111111)_2 = 127$

$(4543)_8 = 4×512 + 5×64 + 4×8 + 3 = 2403$

Total = 127 + 2403 = 2530

2530 in hexadecimal = 9B2



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