Day 274: NDA Maths

1. A.
   4
2. B.
   6
3. C.
   8
4. D.
   infinite

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1. A.
   $a>0,b=0$
2. B.
   for all $b$ and $a=0$
3. C.
   for all $b>0$ only
4. D.
   for all $a$ and $b=0$

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1. A.
   $C(51,25)$
2. B.
   $C(51,27)$
3. C.
   $C(51,51)-C(51,0)$
4. D.
   $C(51,25)-C(51,27)$

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1. A.
   $2x-y+1=0$
2. B.
   $3x-2y-1=0$
3. C.
   $3x-4y+6=0$
4. D.
   $2x+3y-26=0$

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1. A.
   $81$
2. B.
   $85$
3. C.
   $87$
4. D.
   $90$

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