Surds and Indices Formulas Practice Question and Answer

Q:

यदि $$ {(2x-5y)^{3}-(2x+5y)^{3}=y{[A{x}^{2}+B{y}^{2}]}}$$,  है तो $$ {(2A-B)}$$ का मान क्या होगा?

954 0

  • 1
    25
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    15
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
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Answer : 2. "10"

Q:

यदि $$ \sqrt{0.04×0.4×a} =0.4×0.04×{\sqrt{b}}$$ है तो $$ {a\over b}$$ का मान होगा।

1133 0

  • 1
    0.016
    Correct
    Wrong
  • 2
    0.16
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    16
    Correct
    Wrong
  • Show AnswerHide Answer
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Answer : 1. "0.016"

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