Maths Questions and Answers Practice Question and Answer

Q:

समीकरण $$2x^2-7x+ 12=0 $$  के दो मूल α व β है, तो $$ {α \over β }   + {β \over α }=? $$

1413 1

  • 1
    24
    Correct
    Wrong
  • 2
    $$ {1 \over 24 }$$
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    $$ {1 \over 12 }$$
    Correct
    Wrong
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Answer : 2. "$$ {1 \over 24 }$$"

Q:

यदि व्यंजक  $$x^3+ax^2+ 2x+3 $$, (x+1) से पूर्णत: विभाजित है तो का  a मान होगा—

1102 0

  • 1
    2
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    -1
    Correct
    Wrong
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Answer : 2. "0"

Q:

निम्न समीकरणों 7x-2y=8 , 3x+4y=18  से x और y के मान क्या होगे?

2054 0

  • 1
    x=2, y=4
    Correct
    Wrong
  • 2
    x=1, y=4
    Correct
    Wrong
  • 3
    x=3, y=2
    Correct
    Wrong
  • 4
    x=2, y=3
    Correct
    Wrong
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Answer : 4. "x=2, y=3"

Q:

मूल बिन्दु से निर्देशांको ( x,y) की बीच की दूरी होगी

1390 0

  • 1
    $$ {x^2 +y^2} $$
    Correct
    Wrong
  • 2
    $$\sqrt { {x^2 +y^2} } \ $$
    Correct
    Wrong
  • 3
    $$\sqrt { {x^2 - y^2} } \ $$
    Correct
    Wrong
  • 4
    $$\sqrt { {x + y} } \ $$
    Correct
    Wrong
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Answer : 2. "$$\sqrt { {x^2 +y^2} } \ $$"

Q:

फील्ड बुक में दी गयी माप मीटर में है तो क्षेत्र का कुल क्षेत्रफल है

2768 0

  • 1
    1675 sq.m
    Correct
    Wrong
  • 2
    1880 sq.m
    Correct
    Wrong
  • 3
    1625 sq.m
    Correct
    Wrong
  • 4
    1585 sq.m
    Correct
    Wrong
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Answer : 4. "1585 sq.m"

Q:

दी गई फील्ड बुक का क्षेत्रफल है

3968 0

  • 1
    510
    Correct
    Wrong
  • 2
    490
    Correct
    Wrong
  • 3
    492
    Correct
    Wrong
  • 4
    520
    Correct
    Wrong
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Answer : 2. "490"

Q:

दी गई फील्ड बुक में त्रिभुजाकार आकृतियों का क्षेत्रफल होगा

1484 0

  • 1
    250
    Correct
    Wrong
  • 2
    230
    Correct
    Wrong
  • 3
    240
    Correct
    Wrong
  • 4
    280
    Correct
    Wrong
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Answer : 1. "250"

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