Build a question paper in 60 seconds.

1. A
   parallel lines
2. B
   concurrent lines
3. C
   lines at a fixed distance from the origin of coordinates
4. D
   the same line

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1. A
   $a^2-c^2+b^2-d^2$
2. B
   $c^2+d^2-a^2-b^2$
3. C
   $(a^2-c^2+b^2-d^2)/2$
4. D
   $(c^2+d^2-a^2-b^2)/2$

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1. A
   None
2. B
   One
3. C
   Two
4. D
   All three

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1. A
   2
2. B
   1
3. C
   $\dfrac{1}{2}$
4. D
   $a^2+b^2$

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1. A
   $y=-\dfrac{\sqrt{3}}{2}x+\dfrac{7}{2}$
2. B
   $\dfrac{x}{(7/\sqrt{3})}+\dfrac{y}{(7/2)}=1$
3. C
   $\dfrac{\sqrt{3}}{\sqrt{7}}x+\dfrac{2}{\sqrt{7}}y=\sqrt{7}$
4. D
   $\dfrac{\sqrt{3}}{\sqrt{7}}x+\dfrac{2}{\sqrt{7}}y=7$

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1. A
   2 square units
2. B
   3 square units
3. C
   4 square units
4. D
   8 square units

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

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

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1. A
   $\sqrt{3}$
2. B
   $\sqrt{5}$
3. C
   $2\sqrt{3}$
4. D
   $2\sqrt{5}$

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1. A
   $\sqrt{3}$
2. B
   $\sqrt{6}$
3. C
   $2\sqrt{3}$
4. D
   $4\sqrt{3}$

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1. A
   None
2. B
   One
3. C
   Two
4. D
   All three

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1. A
   $\frac{1}{2}\sqrt{26}$ square units
2. B
   $\frac{1}{2}\sqrt{27}$ square units
3. C
   $\sqrt{26}$ square units
4. D
   $\sqrt{27}$ square units

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1. A
   $90°$
2. B
   $75°$
3. C
   $60°$
4. D
   $45°$

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1. A
   -2
2. B
   0
3. C
   1
4. D
   2

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