Practice Question and Answer

Q:

दिए गए दो चिन्हों और संख्याओं को आपस में बदलने पर निम्नलिखित में से कौन सा समीकरण सही होगा?
 + तथा -, 2 तथा 4

862 0

  • 1
    9 – 5 ÷ 4 × 2 + 8 = 80
    Correct
    Wrong
  • 2
    7 × 4 – 2 ÷ 1 + 5 = 13
    Correct
    Wrong
  • 3
    7 – 8 ÷ 2 + 16 × 4 = 18
    Correct
    Wrong
  • 4
    5 + 7 × 4 – 8 ÷ 2 = 5
    Correct
    Wrong
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Answer : 2. "7 × 4 – 2 ÷ 1 + 5 = 13"

Q:

यदि $$ cosecθ + cotθ =p $$ है, तो $${p^2-1}\over{p^2+1}$$  का मान है:

791 0

  • 1
    cos θ
    Correct
    Wrong
  • 2
    cot θ
    Correct
    Wrong
  • 3
    cosec θ
    Correct
    Wrong
  • 4
    sin θ
    Correct
    Wrong
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Answer : 1. "cos θ"

Q:

यदि $$m+{1\over(m-2)}=4$$, है, तो $$ (m-2)^2+ \left({{1\over {m-2}}} \right)^2 \ $$ का मान ज्ञात कीजिए

777 0

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

Q:

यदि $${5x-{5\over x}+6=0}$$, तो $$x^2+{1\over x^2}$$ है

724 0

  • 1
    $$86\over11$$
    Correct
    Wrong
  • 2
    $$43\over12$$
    Correct
    Wrong
  • 3
    $$86\over25$$
    Correct
    Wrong
  • 4
    $$81\over10$$
    Correct
    Wrong
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Answer : 3. "$$86\over25$$"

Q:

निम्नलिखित प्रश्न में, दी गई श्रृंखला से लुप्त अंक ज्ञात कीजिए।
111, 222, 444, ?, 1776, 3552

1254 0

  • 1
    999
    Correct
    Wrong
  • 2
    888
    Correct
    Wrong
  • 3
    1780
    Correct
    Wrong
  • 4
    1770
    Correct
    Wrong
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Answer : 2. "888"

Q:

tan 270 tan340 + tan340 tan29+ tan290 tan27का मान ज्ञात कीजिए।

862 0

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

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