Day 378: NDA Maths

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.
   $-1$
2. B.
   $0$
3. C.
   $1$
4. D.
   Greater than 1

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1. A.
   215
2. B.
   311
3. C.
   317
4. D.
   323

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

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1. A.
   $p^2$
2. B.
   $p^2-1$
3. C.
   $p^2(2-p^2)$
4. D.
   $p^2+1$

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