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Doctors Medicines MCQs Q&A

  1. $$\sqrt {a + b} > \sqrt a + \sqrt b $$
  2. $$\sqrt {a + b} = \sqrt a + \sqrt b $$
  3. $$\sqrt {a + b}
  4. $$ab = 1$$
  5. $$\frac{7}{6}$$
  6. $$\frac{7}{9}$$
  7. $$\frac{4}{5}$$
  8. $$\frac{5}{7}$$
  9. 25
  10. 150
  11. 175
  12. 200
  13. 0.2
  14. 0.4
  15. 0.02
  16. 0.04
  17. 62
  18. 63
  19. 64
  20. 65
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1 Answers

Answer: Option 3

$$\eqalign{ & \sqrt {a + b\,} \,{\text{and }}\sqrt a + \sqrt b \cr & {\text{Squaring both sides}} \cr & {(\sqrt {a + b\,} )^2}{\text{and (}}\sqrt a + \sqrt b {)^2} \cr & \Rightarrow a + b\,\,{\text{and}}\,a + b + 2\sqrt a \sqrt b \cr & So\,\sqrt {a + b\,} \,

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