41). 41. If \( \Large A^{3}+B^{3}=0 \) which one is true?
| A). \( \Large A+B=A^{2}-B^{2} \) |
| B). \( \Large A+B=A^{2}+B^{2} \) |
| C). \( \Large A+B=\sqrt{3AB} \) |
| D). \( \Large A+B=\sqrt{AB} \) |
|
42). 5+10+15+....+105
| A). 1100 |
| B). 115 |
| C). 1155 |
| D). 1200 |
|
43). \( \Large \sqrt{ \left(x^{2}-4\right) \left(4x^{2}-9x+2\right) \left(4x^{2}+7x-2\right) } \)
| A). \( \Large \pm \left(x+2\right) \left(x-2\right) \left(4x+1\right) \) |
| B). \( \Large \pm \left(x+2\right) \left(x-2\right) \left(4x-1\right) \) |
| C). \( \Large \pm \left(x-2\right) \left(x-2\right) \left(4x-1\right) \) |
| D). \( \Large \pm \left(x+2\right) \left(x+2\right) \left(4x+1\right) \) |
|
44). 44. \( \Large \sqrt{248+\sqrt{51+\sqrt{169}}} \) is equal to
| A). 14 |
| B). 16 |
| C). 16.6 |
| D). 144 |
|
45). \( \Large \frac{\sqrt{32}+\sqrt{48}}{\sqrt{8}+\sqrt{12}} \)
| A). \( \Large \sqrt{2} \) |
| B). 2 |
| C). 4 |
| D). 8 |
|
46). \( \Large \sqrt{\frac{1.21 \times 0.9}{.11 \times 0.11}} \)
|
47). \( \Large \sqrt{\frac{0.289}{0.00121}}=? \)
| A). \( \Large \frac{170}{11} \) |
| B). \( \Large \frac{17}{10} \) |
| C). \( \Large \frac{0.17}{11} \) |
| D). \( \Large \frac{17}{11} \) |
|
48). \( \Large \frac{\sqrt{24}+\sqrt{216}}{\sqrt{96}}=? \)
| A). \( \Large 2\sqrt{6} \) |
| B). 2 |
| C). \( \Large 3\sqrt{6} \) |
| D). \( \Large 6\sqrt{2} \) |
|
49). Sum up to infinity: 1+.01+.0001+.000001=......
| A). 1.0100109 |
| B). 1.010109 |
| C). \( \Large \frac{100}{99} \) |
| D). \( \Large \frac{99}{98} \) |
|
50). The square root of \( \Large 16x^{16} \) is
| A). \( \Large 4x^{4} \) |
| B). \( \Large 8x^{8} \) |
| C). \( \Large 4x^{8} \) |
| D). \( \Large 8x^{4} \) |
|
