Aptitude Practice Question and Answer

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Answer : 1. "Rs.720 "

Q:

यदि $$ {x^{2}+3{x}+1=0}$$ है तो $$ {x^{3}+{1\over {x^{3}}}}$$ का मान होगा।

1360 0

  • 1
    -18
    Correct
    Wrong
  • 2
    18
    Correct
    Wrong
  • 3
    36
    Correct
    Wrong
  • 4
    -36
    Correct
    Wrong
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Answer : 1. "-18"

Q:

यदि $$ sin(θ+30^0)= {3\over \sqrt { 12} }  $$ है तो cos2θ का मान ज्ञात करें ?

1360 0

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

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Answer : 1. "$$2.50 cm^2$$"

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Answer : 3. "200"

Q:

छह वर्ष पूर्व, दो व्यक्ति  P और  Q की आयु का अनुपात 3 :2 था। चार वर्ष बाद उनकी आयु का अनुपात 8:7 होगा।  P की आयु क्या है?

1359 0

  • 1
    10 वर्ष
    Correct
    Wrong
  • 2
    12 वर्ष
    Correct
    Wrong
  • 3
    14 वर्ष
    Correct
    Wrong
  • 4
    8 वर्ष
    Correct
    Wrong
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Answer : 2. "12 वर्ष"

Q:

मान ले कि
$$\sqrt{3} = 3.605 \ (लगभग)  $$
$$\sqrt{130} = 11.40 \ (लगभग)  $$
$$\sqrt{1.3} + \sqrt{1300}+\sqrt{0.013}  $$ का मान ज्ञात करें?

1359 0

  • 1
    36.164
    Correct
    Wrong
  • 2
    36.304
    Correct
    Wrong
  • 3
    37.304
    Correct
    Wrong
  • 4
    37.164
    Correct
    Wrong
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Answer : 3. "37.304"

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