1.

If \[\mathbf{X}=\mathbf{68956},\text{ }\mathbf{Y}=\mathbf{57877}\]and\[\mathbf{X}-Y=1\], find the value of \[\mathbf{X}+\mathbf{Y}+Z.\]

A. 127912 
B. 137912
C. 147912                
D.        157912
E. None of these
Answer» C. 147912                


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