Question types

आव्यूह question types

55 questions across 4 question groups — pick any mix to generate a गणित paper with step-by-step answer keys.

55
Questions
4
Question groups
5
Question types
Sample Questions

आव्यूह questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1MCQ1 Mark
मान लीजिए कि $\text{X, Y, Z, W}$ तथा $P$ क्रमश: $2 \times n, 3 \times k$, $2 \times p, n \times 3$ तथा $p \times k$ कोटियों के आव्यूह हैं।
यदि $n = p$ तो आव्यूह $7X - 5Z$ की कोटि है$-$
  • A
    $p \times 2$
  • $2 \times n$
  • C
    $n \times 3$
  • D
    $p \times n$

Answer: B.

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Q 2MCQ1 Mark
यदि आव्यूह $A$ और $B$ के क्रम क्रमशः $m \times n$ तथा $n \times p$ हैं तो $AB$ का क्रम है$-$
  • A
    $p \times m$
  • B
    $n \times m$
  • C
    $n \times p$
  • $m \times p$

Answer: D.

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Q 3MCQ1 Mark
यदि $A=\left[\begin{array}{lll}1 & 2 & 3 \\ 2 & 3 & 1\end{array}\right]$ तथा $B=\left[\begin{array}{ccc}3 & -1 & 3 \\ -1 & 0 & 2\end{array}\right]$ हैं, तो $(2A - B)$ होगा$-$
  • A
    $\left[\begin{array}{ccc}1 & -5 & 2 \\ 5 & 6 & 0\end{array}\right]$
  • B
    $\left[\begin{array}{ccc}5 & 6 & 0 \\ 1 & -5 & 3\end{array}\right]$
  • $\left[\begin{array}{ccc}-1 & 5 & 3 \\ 5 & 6 & 0\end{array}\right]$
  • D
    $\left[\begin{array}{ccc}-1 & 3 & 5 \\ 5 & 6 & 0\end{array}\right]$

Answer: C.

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Q 4MCQ1 Mark
यदि किसी आव्यूह की कोटि $m \times n$ हैं तो इसमें अवयवों की संख्या है$-$
  • A
    $m$
  • B
    $n$
  • $m n$
  • D
    $m-n$

Answer: C.

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Q 5MCQ1 Mark
समीकरण $\left[\begin{array}{c}x+y+z \\ x+z \\ y+z\end{array}\right]=\left[\begin{array}{c}9 \\ 5 \\ 7\end{array}\right]$ में $x$ का मान है$-$
  • A
    $3$
  • B
    $4$
  • C
    $5$
  • $2$

Answer: D.

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