Simplification Practice Question and Answer

Q:

यदि $$ {0.7\over 1-6c}=-0.2$$ है तो c का मान होगा।

814 0

  • 1
    0.075
    Correct
    Wrong
  • 2
    0.75
    Correct
    Wrong
  • 3
    0.5
    Correct
    Wrong
  • 4
    0.8
    Correct
    Wrong
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Answer : 2. "0.75"

Q:

$${(75.8)^2-(55.8)^2\over20}$$ का मान क्या है?  

812 0

  • 1
    121.6
    Correct
    Wrong
  • 2
    40
    Correct
    Wrong
  • 3
    131.6
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
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Answer : 3. "131.6"

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Answer : 2. "5 "

Q:

निर्देश: प्रश्न चिह्न (?) के स्थान पर क्या आयेगा?

$$ {4\over 7}×{2{4\over 5}÷{2\over 5}=?}$$.

808 0

  • 1
    $$ {6\over 7}$$
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    $$ {3\over 5}$$
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "4"

Q:

दिए गए समीकरण का मान ज्ञात करों?

$$\left({216\over1} \right) ^{-{2\over3}}÷\left({27\over1} \right) ^{-{4\over3}}=? $$

806 0

  • 1
    $$ {4\over9}$$
    Correct
    Wrong
  • 2
    $$ {9\over4}$$
    Correct
    Wrong
  • 3
    $$ {9\over5}$$
    Correct
    Wrong
  • 4
    $$ {3\over5}$$
    Correct
    Wrong
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Answer : 2. "$$ {9\over4}$$"

Q:

दिया गया है( 12 +22+32+………..+102)=385,  तो (22+42+62+……202)  का मान किस के बराबर होगा?

803 0

  • 1
    770
    Correct
    Wrong
  • 2
    1155
    Correct
    Wrong
  • 3
    1540
    Correct
    Wrong
  • 4
    385
    Correct
    Wrong
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Answer : 3. "1540"

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 $$ {a^2\over b}+{b^2\over a}=?$$

797 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:

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

796 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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