MCQOPTIONS
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MCQOPTIONS
| 1. |
If a2 + b2 + c2 = 16, x2 + y2 + z2 = 25 and ax + by + cz = 20 then the value of $$\frac{{a + b + c}}{{x + y + z}}$$= ? |
| A. | $\frac{3}{5}$$ |
| B. | $\frac{4}{5}$$ |
| C. | $\frac{5}{3}$$ |
| D. | $\frac{5}{4}$$ |
| Answer» C. $\frac{5}{3}$$ | |