Equation Questions Practice Question and Answer

Q:

यदि α तथा β समीकरण $$ {x^2-2x+4=0}$$,  के मूल हैं, तो वह समीकरण क्या है जिसके मूल $${α^3}\over{β^2}$$ तथा $${β^3}\over{α^2}$$ हैं?

860 0

  • 1
    $$ {x^2-4x+8=0}$$
    Correct
    Wrong
  • 2
    $$ {x^2-32x+4=0}$$
    Correct
    Wrong
  • 3
    $$ {x^2-2x+4=0}$$
    Correct
    Wrong
  • 4
    $$ {x^2-16x+4=0}$$
    Correct
    Wrong
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Answer : 3. "$$ {x^2-2x+4=0}$$"

Q:

यदि α तथा β समीकरण x2 + x - 1 = 0, के मूल हैं तो वह समीरकण क्या है जिनके मूल α5 तथा β5 हैं ? 

1227 0

  • 1
    $$x^2 - 11x - 1 = 0 $$
    Correct
    Wrong
  • 2
    $$x^2 + 11x - 1 = 0$$
    Correct
    Wrong
  • 3
    $$x^2 + 7x - 1 = 0 $$
    Correct
    Wrong
  • 4
    $$x^2 - 7x- 1 = 0 $$
    Correct
    Wrong
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Answer : 2. "$$x^2 + 11x - 1 = 0$$"

Q:

यदि 2x + 3y = 87 और 3x – 3y = 48 है तो x का मान क्या है?

1258 0

  • 1
    29
    Correct
    Wrong
  • 2
    11
    Correct
    Wrong
  • 3
    72
    Correct
    Wrong
  • 4
    इनमें से कोई नहीं
    Correct
    Wrong
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Answer : 4. "इनमें से कोई नहीं"

Q:

$$ x^2-2x-15 $$ के मूल है।

1035 0

  • 1
    (x+5) (x–3)
    Correct
    Wrong
  • 2
    (x–5) (x–3)
    Correct
    Wrong
  • 3
    (x–3) (x–1)
    Correct
    Wrong
  • 4
    (x–5) (x+3)
    Correct
    Wrong
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Answer : 4. "(x–5) (x+3)"

Q:

यदि $$ {4x^2}={25}^2-{15}^2 $$,  है तो x.का मान है।

1116 0

  • 1
    10
    Correct
    Wrong
  • 2
    50
    Correct
    Wrong
  • 3
    100
    Correct
    Wrong
  • 4
    25
    Correct
    Wrong
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Answer : 1. "10 "

Q:

यदि 3x+0.04x=0.608, है तो x का मान ज्ञात करें

1346 0

  • 1
    2
    Correct
    Wrong
  • 2
    0.2
    Correct
    Wrong
  • 3
    0.02
    Correct
    Wrong
  • 4
    0.002
    Correct
    Wrong
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Answer : 2. "0.2 "

Q:

हल करें 0.05 × 0.4 

1038 0

  • 1
    2
    Correct
    Wrong
  • 2
    0.02
    Correct
    Wrong
  • 3
    0.2
    Correct
    Wrong
  • 4
    0.002
    Correct
    Wrong
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Answer : 2. "0.02 "

Q:

यदि  a + b = -2 और  a - b = 12, है तो b का मान ज्ञात करें

1075 0

  • 1
    5
    Correct
    Wrong
  • 2
    -5
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    -7
    Correct
    Wrong
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Answer : 4. "-7 "

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