MCQOPTIONS
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| 1. |
The temperature at 12 noon was \[{{10}^{o}}C\] above zero. If it decreases at the rate of \[{{2}^{o}}C\] per hour until midnight, what would be the temperature at 9 p.m.? |
| A. | \[-{{8}^{o}}C\] |
| B. | \[-{{6}^{o}}C\] |
| C. | \[{{8}^{o}}C\] |
| D. | \[{{6}^{o}}C\] |
| Answer» B. \[-{{6}^{o}}C\] | |