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Choose $1$ if the question can be answered by using one of the statements alone, but cannot be answered using the other statement alone.
Choose $2$ if the question can be answered by using either statement alone.
Choose $3$ if the question can be answered by using both statements together, but cannot be answered using either statement alone.
Choose $4$ if the question cannot be answered even by using both statements together.

1. Transfer rate is $6$ Kilobytes per second.
2. The size of the software is $4.5$ megabytes.
1. $1$
2. $2$
3. $3$
4. $4$

3. if the question can be answered by using both statements together, but cannot be answered using either statement alone.

Time for downloading $= 4.5 \times 2^{20} / (6 \times 2^{10}) \\= 0.75 \times 2^{10} \\\approx 750s$
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1