Simplification Questions Practice Question and Answer

Q:

(1 + i) 3 का संयुग्मन ज्ञात कीजिए।

1475 0

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

Q:

25.6% of 250 +√ ? = 119

1475 0

  • 1
    4225
    Correct
    Wrong
  • 2
    3025
    Correct
    Wrong
  • 3
    2025
    Correct
    Wrong
  • 4
    5625
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "3025"

Q:

यदि 3x2 = 36  है तो x का मान क्या होगा?

1473 0

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

Q:

यदि $$ a={{\sqrt{3}+\sqrt{2}}\over {\sqrt{3}-\sqrt{2}}}$$  और $$ b={{\sqrt{3}-\sqrt{2}}\over {\sqrt{3}+\sqrt{2}}}$$,  है तो $$ {a^2\over b}+{b^2\over a}=?$$

1472 0

  • 1
    970
    Correct
    Wrong
  • 2
    960
    Correct
    Wrong
  • 3
    950
    Correct
    Wrong
  • 4
    940
    Correct
    Wrong
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Answer : 1. "970"

Q:

अगर $${{k^2}\over {k^2-2k+1}}={1\over 6}$$, तो $${1\over k^3}+k3$$  का मान क्या है?

1469 0

  • 1
    472
    Correct
    Wrong
  • 2
    492
    Correct
    Wrong
  • 3
    512
    Correct
    Wrong
  • 4
    488
    Correct
    Wrong
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Answer : 4. "488 "

Q:

$$ {(2.664)^2-(2.356)^2\over0.288}$$ का सरलीकरण करने पर परिणाम क्या होगा ?

1463 0

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

Q:

यदि $$ \sqrt{2}=1.414 $$,  है तो $$ { \sqrt{2}-1\over\sqrt{2}+1} $$   का मान किसके निकटतम है ?

1460 0

  • 1
    0.414
    Correct
    Wrong
  • 2
    0.586
    Correct
    Wrong
  • 3
    0.172
    Correct
    Wrong
  • 4
    1.414
    Correct
    Wrong
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Answer : 3. "0.172"

Q:

$$ ^{3}\sqrt{-2197} × ^{3}\sqrt{{-125}} \ ÷ ^{3}\sqrt{27\over512}$$ सरल कीजिये।

1458 0

  • 1
    $$ {520\over 3}$$
    Correct
    Wrong
  • 2
    $$ {520\over 13}$$
    Correct
    Wrong
  • 3
    $$ {540\over 3}$$
    Correct
    Wrong
  • 4
    $$ {520\over 13}$$
    Correct
    Wrong
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Answer : 1. "$$ {520\over 3}$$"

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