Maths Practice Question and Answer

Q:

$$\left({1\over cosecθ}-{1\over sinθ} \right)+{1\over {cosecθ-cotθ}} -{1\over secθ+tanθ} =?$$

1184 0

  • 1
    sinθcosθ
    Correct
    Wrong
  • 2
    sinθtanθ
    Correct
    Wrong
  • 3
    secθcosecθ
    Correct
    Wrong
  • 4
    cosecθcotθ
    Correct
    Wrong
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Answer : 3. "secθcosecθ"

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Answer : 1. "

554.4 cm2

"

Q:

यदि किसी वृत्त की त्रिज्या में 15% की वृद्धि की जाती है तो उसके क्षेत्रफल में _____ की वृद्धि होती है।

1183 0

  • 1
    30 प्रतिशत
    Correct
    Wrong
  • 2
    32.25 प्रतिशत
    Correct
    Wrong
  • 3
    15 प्रतिशत
    Correct
    Wrong
  • 4
    16.125 प्रतिशत
    Correct
    Wrong
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Answer : 2. "32.25 प्रतिशत"

Q:

एक वस्तु का विक्रय मूल्य और क्रय क्रमश: ₹6,000 और ₹5,000 है। लाभ प्रतिशत ज्ञात कीजिए।

1183 0

  • 1
    25%
    Correct
    Wrong
  • 2
    10%
    Correct
    Wrong
  • 3
    20%
    Correct
    Wrong
  • 4
    15%
    Correct
    Wrong
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Answer : 3. "20%"

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