Aptitude Practice Question and Answer

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Answer : 3. "20 "

Q:

यदि x = z = 225 और y = 226 तो x3 + y3 + z3 – 3xyz का मान है

968 0

  • 1
    765
    Correct
    Wrong
  • 2
    676
    Correct
    Wrong
  • 3
    576
    Correct
    Wrong
  • 4
    674
    Correct
    Wrong
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Answer : 2. "676 "

Q:

यदि x2 + x = 5 तो $${(x+3)^3}+{1\over (x+3)^3}$$  का मान है 

828 0

  • 1
    140
    Correct
    Wrong
  • 2
    110
    Correct
    Wrong
  • 3
    130
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
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Answer : 2. "110 "

Q:

एक समद्विबाहु त्रिभुज में, यदि असमान कोण समान कोणों के योग का दोगुना है, तो प्रत्येक बराबर कोण है

1036 0

  • 1
    120° 
    Correct
    Wrong
  • 2
    60° 
    Correct
    Wrong
  • 3
    30° 
    Correct
    Wrong
  • 4
    90°
    Correct
    Wrong
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Answer : 4. "90°"

Q:

एक समकोण त्रिभुज का एक न्यून कोण, दूसरे न्यून कोण का दुगुना है। यदि कर्ण की लम्बाई 10 सेमी है, तो त्रिभुज का क्षेत्रफल क्या है?

1260 0

  • 1
    $${25\over 2}\ cm^2$$
    Correct
    Wrong
  • 2
    $$25\ cm^2$$
    Correct
    Wrong
  • 3
    $$25 \sqrt { 3}\ cm^2$$
    Correct
    Wrong
  • 4
    $${75\over 2} \ cm^2$$
    Correct
    Wrong
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Answer : 1. "$${25\over 2}\ cm^2$$"

Q:

यदि m = - 4, n = - 2, तो m– 3m+ 3m + 3n + 3n2 + n3 का मान है

892 0

  • 1
    – 126
    Correct
    Wrong
  • 2
    124
    Correct
    Wrong
  • 3
    – 124
    Correct
    Wrong
  • 4
    126
    Correct
    Wrong
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Answer : 1. "– 126 "

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