I have the answers as 12 and 8 and hope I haven't made any calculation errors.
See the illustration below..
Also, its given that k+1 = 1+y = 1+z
We know that 1+5+y+z+k+0+3+7 = 22
Question is what is BO=? which is =1+z+7+k = 1+2+7+2 = 12.
Also, AB=? which is = 1+k+y+3=1+2+2+3 = 8.
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