Maths Practice Question and Answer

Q:

सबसे बड़ी 3 अंकों की संख्या जो 15, 25 और 30 से विभाज्य है?

1523 0

  • 1
    975
    Correct
    Wrong
  • 2
    930
    Correct
    Wrong
  • 3
    960
    Correct
    Wrong
  • 4
    900
    Correct
    Wrong
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Answer : 4. "900 "

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Answer : 2. "15000"

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Answer : 1. "$$6{2\over 3}$$"

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Answer : 2. "10"

Q:

$$ {({1\over25})^{-1\over2}}+{({8\over 27})^{-1\over3}}$$.

1521 0

  • 1
    $$ {9\over 2}$$
    Correct
    Wrong
  • 2
    $$ {13\over 2}$$
    Correct
    Wrong
  • 3
    $$ {13\over 15}$$
    Correct
    Wrong
  • 4
    $$ {5\over 9}$$
    Correct
    Wrong
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Answer : 2. "$$ {13\over 2}$$"

Q:

यदि $${a\over b}={2\over3}$$ और $${b\over c}={4\over5}$$  है, तो $${a+b}\over {b+c}$$ का अनुपात किसके बराबर होगा ?

1521 0

  • 1
    $${20\over27} $$
    Correct
    Wrong
  • 2
    $${27\over20} $$
    Correct
    Wrong
  • 3
    $${6\over8} $$
    Correct
    Wrong
  • 4
    $${8\over6} $$
    Correct
    Wrong
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Answer : 1. " $${20\over27} $$"

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