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If A + B = 2C and C + D = 2A, then

A) A + C = B + D

B) A + C = 2D

C) A + D = B + C

D) A + C = 2B

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Number Systems Admin 3 years 1 Answer 727 views 0

Answer ( 1 )

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    Answer-A
    Firstly add both the equations
    i.e A+B+C+D=2A+2C
    Now find the value of B+D
    i.e B+D=2A+2C-A-C
    B+D=A+C
    or
    A+C=B+D

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