Build a question paper in 60 seconds.

1. A
   $\left(\frac{3}{4},\frac{1}{4}\right)$
2. B
   $\left(\frac{3}{2},\frac{1}{2}\right)$
3. C
   $\left(\frac{3}{4},-\frac{1}{4}\right)$
4. D
   $\left(\frac{3}{2},-\frac{1}{2}\right)$

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1. A
   Only one
2. B
   Only two
3. C
   All three
4. D
   None

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1. A
   Only one
2. B
   Only two
3. C
   All three
4. D
   None

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1. A
   Only one
2. B
   Only two
3. C
   All three
4. D
   None

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

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

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1. A
   8
2. B
   $4\sqrt{6}$
3. C
   $8\sqrt{6}$
4. D
   16

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1. A
   $\frac{1}{\sqrt{17}}$
2. B
   $\frac{2}{\sqrt{17}}$
3. C
   $\frac{3}{\sqrt{17}}$
4. D
   $\frac{2}{\sqrt{14}}$

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1. A
   3
2. B
   4
3. C
   5
4. D
   6

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1. A
   $0\leq\theta\leq\pi$
2. B
   $\frac{\pi}{2}\leq\theta\leq\pi$
3. C
   $0\leq\theta\leq\frac{\pi}{2}$
4. D
   $0<\theta<\frac{\pi}{2}$

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1. A
   $\beta=20$
2. B
   $\beta=40$
3. C
   $\beta=-40$
4. D
   $\beta=26$

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1. A
   1 only
2. B
   2 only
3. C
   Both 1 and 2
4. D
   Neither 1 nor 2

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1. A
   $\left(-\frac{11}{7},\frac{13}{7},\frac{19}{7}\right)$ and $\left(\frac{1}{7},\frac{3}{7},\frac{5}{7}\right)$ — check options
2. B
   $\left(\frac{19}{7},-\frac{11}{7},\frac{13}{7}\right)$ and $\left(-\frac{1}{7},\frac{3}{7},-\frac{5}{7}\right)$
3. C
   $\left(\frac{13}{7},11,19\right)$ and $\left(-\frac{1}{7},-\frac{3}{7},\frac{5}{7}\right)$
4. D
   $\left(\frac{13}{7},-\frac{11}{7},\frac{19}{7}\right)$ and $\left(\frac{1}{7},-\frac{3}{7},-\frac{5}{7}\right)$

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1. A
   $2x+2y+z-1=0$
2. B
   $2x-y-2z+5=0$
3. C
   $2x+2y-2z+1=0$
4. D
   $x-2y+z-1=0$

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1. A
   $0°$
2. B
   $30°$
3. C
   $60°$
4. D
   $90°$

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1. A
   $x^2+y^2+z^2-2x-8z=0$
2. B
   $x^2+y^2+z^2-2x-6y=0$
3. C
   $x^2+y^2+z^2-6y-8z=0$
4. D
   $x^2+y^2+z^2-2x-6y-8z=0$

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1. A
   -15
2. B
   -13
3. C
   -11
4. D
   -9

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1. A
   10
2. B
   20
3. C
   50
4. D
   100

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1. A
   0
2. B
   12
3. C
   112
4. D
   1012

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1. A
   16
2. B
   6
3. C
   5
4. D
   4

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1. A
   $\frac{17}{108}$
2. B
   $\frac{5}{108}$
3. C
   $\frac{19}{108}$
4. D
   $\frac{23}{108}$

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1. A
   12
2. B
   15
3. C
   20
4. D
   30

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1. A
   $\frac{1}{81}$
2. B
   $\frac{1}{72}$
3. C
   $\frac{1}{18}$
4. D
   $\frac{1}{36}$

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1. A
   $\frac{7}{36}$
2. B
   $\frac{7}{18}$
3. C
   $\frac{5}{18}$
4. D
   $\frac{11}{36}$

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1. A
   $1.1\times2^8$
2. B
   $1.2\times7^4$
3. C
   5.5
4. D
   0.55

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