MCQOPTIONS
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| 1. |
The mean of 6, y, 7, x and 14 is 8.Which of the following is true? |
| A. | \[x+y=13\] |
| B. | \[x-y=13\] |
| C. | \[2x+3y=13\] |
| D. | \[{{x}^{2}}+{{y}^{2}}=15\] |
| Answer» B. \[x-y=13\] | |