Aptitude Practice Question and Answer

Q:

यदि x = a - b, y = b - c, z = c - a, है, तो बीजगणितीय व्यंजक x3 +y3 + z3 -3xyz का आंकिक मान ज्ञात करें । 

692 0

  • 1
    4 (a+b+c)
    Correct
    Wrong
  • 2
    3 abc
    Correct
    Wrong
  • 3
    a + b + c
    Correct
    Wrong
  • 4
    0
    Correct
    Wrong
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Answer : 4. "0"

Q:

‘y’ के किस मान के लिए $$ {x^{2}+{1\over12}{x}+y^{2}}$$  एक पूर्ण वर्ग है?

692 0

  • 1
    1/3
    Correct
    Wrong
  • 2
    1/12
    Correct
    Wrong
  • 3
    1/24
    Correct
    Wrong
  • 4
    1/6
    Correct
    Wrong
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Answer : 3. "1/24"

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Answer : 3. "$$ {192\sqrt{3}}\ cm^{2}$$"

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Answer : 4. "इनमें से कोई नहीं"

Q:

A shopkeeper bought 25 kg. of pulses at the rate of Rs. 54 kg. He sold forty percent of the total quantity at the rate of Rs. 50 per kg. at what price per kg should he sell the approximately quantity to make 25% overall profit ?

691 0

  • 1
    79
    Correct
    Wrong
  • 2
    81
    Correct
    Wrong
  • 3
    98
    Correct
    Wrong
  • 4
    67
    Correct
    Wrong
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Answer : 1. "79"

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