Simplification Practice Question and Answer

Q:

यदि $${a+b=10}$$  तथा $$ \sqrt{a\over b}-13=-\sqrt{b\over a}-11$$,  हैं, तो $${3ab+4a^2+5b^2}$$ का मान क्या है?

776 0

  • 1
    300
    Correct
    Wrong
  • 2
    600
    Correct
    Wrong
  • 3
    750
    Correct
    Wrong
  • 4
    450
    Correct
    Wrong
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Answer : 1. "300"

Q:

यदि $$ {3\sqrt{{1-a}\over{a}}}+9={19-3\sqrt{{a}\over{1-a}}}$$ है,तो a का मान क्या है?

896 0

  • 1
    $${3\over10},{7\over10}$$
    Correct
    Wrong
  • 2
    $${1\over10},{9\over10}$$
    Correct
    Wrong
  • 3
    $${2\over5},{3\over5}$$
    Correct
    Wrong
  • 4
    $${1\over5},{4\over5}$$
    Correct
    Wrong
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Answer : 2. "$${1\over10},{9\over10}$$"

Q:

4320 में किस न्यूनतम संख्या से गुणा किया जाए कि प्राप्त परिणाम एक पूर्ण घन हो? 

887 0

  • 1
    60
    Correct
    Wrong
  • 2
    80
    Correct
    Wrong
  • 3
    40
    Correct
    Wrong
  • 4
    50
    Correct
    Wrong
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Answer : 4. "50 "

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Answer : 4. "19 दिन"

Q:

$$ (2 {1\over6}+1 {13\over18}-{1\over6}) × {16÷4}$$ का मान है:

703 0

  • 1
    42
    Correct
    Wrong
  • 2
    $$ {41 {1\over72}}$$
    Correct
    Wrong
  • 3
    $$ {134\over9}$$
    Correct
    Wrong
  • 4
    63
    Correct
    Wrong
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Answer : 3. "$$ {134\over9}$$"

Q:

दिए गए समीकरण में x का मान होगा।
$$ {23 ^2 + \sqrt{x}=625}$$

932 0

  • 1
    9576
    Correct
    Wrong
  • 2
    9124
    Correct
    Wrong
  • 3
    9216
    Correct
    Wrong
  • 4
    9028
    Correct
    Wrong
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Answer : 3. "9216"

Q:

(0.04)-1.5 को हल करने पर प्राप्त होगा: 

1061 0

  • 1
    250
    Correct
    Wrong
  • 2
    625
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    125
    Correct
    Wrong
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Answer : 4. "125 "

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"

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