21973
Unique Id: 18607
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DIRECTIONS
for the question:
Solve the following question and mark the best possible option.
If a + b equals 18 and a – b equals 12, what is value of b?
A)
– 3
B)
3
C)
15
D)
– 4
E)
None of these
B
Here a + b = 18….(i) and a – b = 12…..(ii) Subtracting equation (ii) from (i) we get 2b = 6 => b = 3.
Question include in Following Tests :
Algebra Level I - 10
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