Maths Practice Question and Answer

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Answer : 4. "768 π"

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Answer : 1. "9 : 25"

Q:

(tan2A+ cot2A-2)- sec2A cosec2 A का मान है:

397 0

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

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Answer : 3. "550"

Q:

यदि cos(2θ+54°) = synθ, 0°<(2θ-54°)<90°, तो $$1\over tan5θ+cosec{5θ\over 2}$$ का मूल्य क्या है

434 0

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

Q:

यदि (x + y)3 +8 (x - y)3 = (3x+ Ay)(3x2+ Bxy+ Cy2), तो A+B+C का मान है:

384 0

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

Q:

$$sinθ[(1-tanθ)tanθ+sec^2θ]\over (1-sinθ)tanθ(1+tanθ)(secθ+tanθ)$$ इसके बराबर है:

353 0

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

Q:

ΔABC और ΔDEF के परिमाप क्रमशः 43.2 सेमी और 28.8 सेमी है, और ΔABC ~ ΔDEF है। यदि DE = 12 सेमी है, तो AB की लंबाई है:

309 0

  • 1
    18.4 cm
    Correct
    Wrong
  • 2
    20 cm
    Correct
    Wrong
  • 3
    18 cm
    Correct
    Wrong
  • 4
    20.4 cm
    Correct
    Wrong
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Answer : 3. "18 cm"

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