Aptitude Practice Question and Answer

Q:

एक वृत्त चतुर्भुज ABCD की चारों भुजाओं को स्पर्श करता है। यदि AB = 18 सेमी, BC = 21 सेमी और = 15 सेमी, तो लंबाई CD है:

1104 0

  • 1
    16 cm
    Correct
    Wrong
  • 2
    14 cm
    Correct
    Wrong
  • 3
    12 cm
    Correct
    Wrong
  • 4
    18 cm
    Correct
    Wrong
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Answer : 4. "18 cm"

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Answer : 2. "

260 and 300

"

Q:

यदि a का 120%, b के 80% के बराबर है, तो $${b+a}\over {b-a}$$ किसके बराबर है?

1104 0

  • 1
    5
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 1. "5"
Explanation :

Q:

किसी शंकु की त्रिज्या 20 सेमी तथा ऊंचाई 21 सेमी है, शंकु का कुल पृष्ठ क्षेत्रफल वर्ग सेमी में है:

1103 0

  • 1
    3080
    Correct
    Wrong
  • 2
    3160
    Correct
    Wrong
  • 3
    2920
    Correct
    Wrong
  • 4
    3240
    Correct
    Wrong
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Answer : 1. "3080"
Explanation :



$$ {πr^2+πrl}$$

Q:

$${cos^2A\over {1+sinA}}$$ का मान क्या होगा?

1103 0

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

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