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1. A
   Increase in blood clotting time
2. B
   Increase in fragility of ${RBC}'s$
3. C
   Cheilosis
4. D
   Decrease in blood clotting time

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1. A
   $C_{6}H_{5} - N - \left( {CH}_{3} \right)_{2}$
2. B
   $C_{6}H_{5} - {NHCH}_{2}{CH}_{3}$
3. C
   $C_{6}H_{5} - {CH}_{2}{NHCH}_{3}$
4. D
   $C_{6}H_{5} - CH - {NH}_{2}$

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1. A
   chlorine, lithium and sodium
2. B
   argon, lithium and sodium
3. C
   argon, chlorine and sodium
4. D
   neon, sodium and chlorine

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

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1. A
   Both statement I and statement II are true.
2. B
   Statement I is false but statement II is true.
3. C
   Both statement I and statement II are false.
4. D
   Statement I is true but statement II is false.

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

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1. A
   positive and positive
2. B
   positive and negative
3. C
   negative and negative
4. D
   negative and positive

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1. A
   (A)-(ii), (B)-(iii), (C)-(iv), (D)-(i)
2. B
   (A)-(iv), (B)-(iii), (C)-(ii), (D)-(i)
3. C
   (A)-(iii), (B)-(iv), (C)-(i), (D)-(ii)
4. D
   (A)-(ii), (B)-(iv), (C)-(i), (D)-(iii)

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

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1. A
   a-iv, b-iii, c-i, d-ii
2. B
   a-iv, b-iii, c-ii, d-i
3. C
   a-iii, b-iv, c-v, d-ii
4. D
   a-iii, b-iv, c-ii, d-v

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1. A
   Statement I is true but statement II is false
2. B
   Both statement I and statement II are true
3. C
   Statement I is false but statement II is true
4. D
   Both statement I and statement II are false

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1. A
   Both statement I and statement II are false
2. B
   Statement I is true but statement II is false
3. C
   Statement I is false but statement II is true
4. D
   Both statement I and statement II are true.

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1. A
   a-i, b-iv, c-ii, d-iii
2. B
   a-ii, b-iii, c-i, d-iv
3. C
   a-ii, b-iii, c-iv, d-I
4. D
   a-ii, b-iv, c-iii, d-i

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1. A
   ${sp}^{3},sp,sp$
2. B
   ${sp}^{3},{sp}^{2},sp$
3. C
   ${sp}^{3},{sp}^{2},{sp}^{2}$
4. D
   ${sp}^{3},sp,{sp}^{2}$

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1. A
   Ionic solid
2. B
   Molecular solid
3. C
   Metallic solid
4. D
   Covalent solid

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1. A
   $\frac{- e^{3/2}}{\left( e^{2} + 1 \right)^{2}}$
2. B
   $- \frac{2e^{2}}{\left( 1 + e^{2} \right)^{2}}$
3. C
   $\frac{e^{5/2}}{\left( 1 + e^{2} \right)^{2}}$
4. D
   $\frac{5e^{1/2}}{\left( e^{2} + 1 \right)^{2}}$

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1. A
   $\frac{25}{4}$
2. B
   $\frac{85}{14}$
3. C
   $\frac{127}{20}$
4. D
   $\frac{115}{16}$

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1. A
   $\mu = 6,\lambda \in R$
2. B
   $\lambda = 2,\mu \in R$
3. C
   $\lambda = 3,\mu \in R$
4. D
   $\mu = - 6,\lambda \in R$

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

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1. A
   $\frac{9}{\sqrt{2}}$
2. B
   $7\sqrt{2}$
3. C
   $2\sqrt{2}$
4. D
   $3\sqrt{2}$

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1. A
   $4\sqrt{6}$
2. B
   $\sqrt{6} - 1$
3. C
   $\frac{7}{\sqrt{6}} - 2$
4. D
   $4\sqrt{6} - 1$

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1. A
   $((P \Rightarrow Q) \land \sim Q) \Rightarrow Q$
2. B
   $((P \Rightarrow Q) \land \sim Q) \Rightarrow \sim P$
3. C
   $((P \Rightarrow Q) \land \sim Q) \Rightarrow P$
4. D
   $((P \Rightarrow Q) \land \sim Q) \Rightarrow (P \land Q)$

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

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1. A
   1000
2. B
   7000
3. C
   5000
4. D
   3000

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

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