Day 76: CDS Maths

1. A.
   $\frac{17}{20}$
2. B.
   $\frac{17}{40}$
3. C.
   $\frac{7}{10}$
4. D.
   $\frac{9}{10}$

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1. A.
   Statement-1 alone is sufficient to answer the question
2. B.
   Statement-2 alone is sufficient to answer the question
3. C.
   Both Statement-1 and Statement-2 are sufficient to answer the question
4. D.
   Both Statement-1 and Statement-2 are not sufficient to answer the question

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1. A.
   Only 1 and 2
2. B.
   Only 2 and 3
3. C.
   Only 1 and 3
4. D.
   1, 2 and 3

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1. A.
   $\frac{\sqrt{2} - 1}{2}$
2. B.
   $\frac{\sqrt{2} - 1}{\sqrt{2}}$
3. C.
   $\frac{\sqrt{3} - 1}{\sqrt{3}}$
4. D.
   $\sqrt{2}$

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1. A.
   60
2. B.
   80
3. C.
   120
4. D.
   160

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