Question
If A + B = 15,
B x C = 84,
C ÷ 4 = 3,
B + D = 18, then Solve the value of D?
A. 13
B. 8
C. 15
D. 11
Answer: D. 11
Solution:
A + B = 15 …. (1)
B x C = 84 …. (2)
C ÷ 4 = 3 …. (3)
B + D = 18 …. (4)
From (3), we get C = 12
From (2), we get B = 84/12 = 7
From (1), we get A = 15 – 7 = 8
From (4), we get D = 18 – 7 = 11
Hence, the value of D = 11.
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