Maths Practice Question and Answer

Q:

एक व्यक्ति अपनी आय का $$ 16{2\over3}\% $$ खर्च करके ₹ 1200 मासिक बचत करता है, तो उसका मासिक खर्च ( ₹ में ) क्या है ? 

1535 0

  • 1
    1,200
    Correct
    Wrong
  • 2
    2,400
    Correct
    Wrong
  • 3
    3,000
    Correct
    Wrong
  • 4
    3,200
    Correct
    Wrong
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Answer : 2. "2,400 "

Q:

$$ {tan7°tan23°tan60°tan67°tan83°}$$ के बराबर है—

1535 0

  • 1
    0
    Correct
    Wrong
  • 2
    $$ \sqrt{3}$$
    Correct
    Wrong
  • 3
    $$ 1\over \sqrt{3}$$
    Correct
    Wrong
  • 4
    इनमें से कोई नहीं
    Correct
    Wrong
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Answer : 2. "$$ \sqrt{3}$$"

Q:

$$ {^3\sqrt {{4} {12\over {125}}}}$$ सरल कीजिये।

1534 0

  • 1
    2
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    $$ {1}{3\over5}$$
    Correct
    Wrong
  • 4
    $$ {2}{3\over5}$$
    Correct
    Wrong
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Answer : 3. "$$ {1}{3\over5}$$"

Q:

यदि   $$ {secθ+tanθ\over secθ - tanθ} $$= $$ 2{51\over 79} $$ sinθ तो sin θ का मान है ? 

1534 0

  • 1
    $$ {91\over144}$$
    Correct
    Wrong
  • 2
    $$ {39\over72}$$
    Correct
    Wrong
  • 3
    $$ {65\over144}$$
    Correct
    Wrong
  • 4
    $$ {35\over72}$$
    Correct
    Wrong
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Answer : 3. "$$ {65\over144}$$"

Q:

5 सेमी, 12 सेमी और 13 सेमी भुजाओं वाले एक समकोण त्रिभुज को एक शंकु से 12 सेमी की भुजा के बारे में घुमाया जाता है। इस प्रकार बने शंकु का आयतन है :

1533 0

  • 1
    $$ {81 π \ cm^{3}}$$
    Correct
    Wrong
  • 2
    $$ {100 π \ cm^{3}}$$
    Correct
    Wrong
  • 3
    $$ {91 π \ cm^{3}}$$
    Correct
    Wrong
  • 4
    $$ {110 π \ cm^{3}}$$
    Correct
    Wrong
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Answer : 2. "$$ {100 π \ cm^{3}}$$"

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