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A virus sample multiplies itself by becoming \(16\) times itself every hour. But due to anti-agent present in the system, only half of them survive every hour. If we start with \(x\) number of virus and after the \(8\) hours there are \(2^{40}\) viruses, what is the value of \(x?\)
A. \(2^{16}\)
B. \(2^{18}\)
C. \(2^{21}\)
D. \(2^{23}\)
E. \(2^{25}\)
Answer: A
Source: e-GMAT
A. \(2^{16}\)
B. \(2^{18}\)
C. \(2^{21}\)
D. \(2^{23}\)
E. \(2^{25}\)
Answer: A
Source: e-GMAT
