Day 248: CDS Maths

1. A.
   $\pm 9$
2. B.
   $\pm 8$
3. C.
   $\pm 6$
4. D.
   $\pm 3$

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1. A.
   8.5
2. B.
   9.5
3. C.
   10.2
4. D.
   11.2

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1. A.
   $x = y$
2. B.
   $2x = 3y$
3. C.
   $x = 3y$
4. D.
   $3x = 4y$

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1. A.
   $30^\circ$
2. B.
   $40^\circ$
3. C.
   $45^\circ$
4. D.
   $60^\circ$

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1. A.
   $C$ and $B$
2. B.
   $E$ and $A$
3. C.
   $E$ and $F$
4. D.
   $C$ and $D$

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1. A.
   $A$
2. B.
   $B$
3. C.
   $C$
4. D.
   $D$

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1. A.
   20%
2. B.
   25%
3. C.
   30%
4. D.
   40%

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1. A.
   $E$ and $F$
2. B.
   $C$ and $E$
3. C.
   $A$ and $E$
4. D.
   $A$ and $C$

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

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