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Source: Beat The GMAT — Problem Solving |
Rate is directly proportional A^2
reversely proportional B
Rate is proportional A^2/B
with increased B to keep the same rate (Ax)^2/2B
A should be multiplied by x
x should be equal √2 = 1,41
so A should be increased by 40%
D
OA?
reversely proportional B
Rate is proportional A^2/B
with increased B to keep the same rate (Ax)^2/2B
A should be multiplied by x
x should be equal √2 = 1,41
so A should be increased by 40%
D
OA?
