Build a question paper in 60 seconds.

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

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1. A
   $a$, $b$ and $c$ are in AP
2. B
   $a-b$, $b-c$ and $c-a$ are in AP
3. C
   $a$, $b$ and $c$ are in GP
4. D
   $a-b$, $b-c$ and $c-a$ are in GP

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1. A
   $t_{10}$
2. B
   $t_{10}^2$
3. C
   $t_{11}$
4. D
   $t_{11}^{21}$

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

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1. A
   45
2. B
   60
3. C
   90
4. D
   120

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1. A
   5
2. B
   6
3. C
   7
4. D
   8

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

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1. A
   0 only
2. B
   an even number but not necessarily 0
3. C
   an odd number
4. D
   0, 1 or -1

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1. A
   5
2. B
   25
3. C
   125
4. D
   625

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1. A
   Null matrix of order 3
2. B
   Identity matrix of order 3
3. C
   $\begin{pmatrix}2&0&0\\0&2&0\\0&0&2\end{pmatrix}$
4. D
   $\begin{pmatrix}7&0&0\\0&7&0\\0&0&7\end{pmatrix}$

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1. A
   3
2. B
   9
3. C
   81
4. D
   729

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1. A
   100
2. B
   1000
3. C
   9900
4. D
   10000

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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
   1 only
2. B
   2 only
3. C
   1 and 2
4. D
   2 and 3

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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
   1 and 2 only
2. B
   2 and 3 only
3. C
   1 and 3 only
4. D
   1, 2 and 3

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1. A
   $\frac{15}{32}$
2. B
   $\frac{17}{32}$
3. C
   $\frac{29}{64}$
4. D
   $\frac{31}{64}$

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

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

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1. A
   $\frac{25}{17}$
2. B
   $\frac{8}{17}$
3. C
   $\frac{9}{17}$
4. D
   $\frac{47}{17}$

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1. A
   16
2. B
   2
3. C
   1
4. D
   $\frac{1}{2}$

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

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