Day 502: MHT-CET Maths

1. A.
   $31x + 21y + 46z - 211 = 0$
2. B.
   $602x - 1155y - 747z + 3949 = 0$
3. C.
   $43x + 105y - 154z + 209 = 0$
4. D.
   $2x - 3y + 5z - 11 = 0$

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1. A.
   Table (a): P(0)=2/8, P(1)=2/8, P(2)=3/8, P(3)=1/8
2. B.
   Table (b): P(0)=1/8, P(1)=3/8, P(2)=3/8, P(3)=1/8
3. C.
   Table (c): P(1)=3/8, P(2)=3/8, P(3)=2/8
4. D.
   Table (d): P(0)=1/8, P(1)=1/8, P(2)=3/8, P(3)=3/8

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

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1. A.
   $\dfrac{b^2 - c^2}{2bc}$
2. B.
   $\left(\dfrac{b^2 - c^2}{2bc}\right)^2$
3. C.
   $\left(\dfrac{c^2 - b^2}{bc}\right)^2$
4. D.
   $\dfrac{c^2 - b^2}{bc}$

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1. A.
   Geometric Progression
2. B.
   Arithmetic Progression
3. C.
   Harmonic Progression
4. D.
   Arithmetico-Geometric Progression

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