Maths Practice Question and Answer

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Answer : 1. "$$ 56{2\over 3} days $$"

Q:

दो संख्याओं का गुणनफल 2500 है, यदि पहली संख्या दूसरे की 4 गुना हो, तो दोनों संख्याओं का योग होगा । 

1666 0

  • 1
    25
    Correct
    Wrong
  • 2
    250
    Correct
    Wrong
  • 3
    125
    Correct
    Wrong
  • 4
    225
    Correct
    Wrong
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Answer : 3. "125 "

Q:

2 साल में 4% पर 7500 रुपये की राशि पर चक्रवृद्धि ब्याज क्या होगा?

1666 0

  • 1
    618
    Correct
    Wrong
  • 2
    612
    Correct
    Wrong
  • 3
    624
    Correct
    Wrong
  • 4
    606
    Correct
    Wrong
  • 5
    621
    Correct
    Wrong
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Answer : 2. "612"

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Answer : 3. "42 % "

Q:

यदि  a2=b+c, b2=c+a, c2=a+b है तो का $$ {1\over{1+a}}+{1\over{1+b}}+{1\over{1+c}}$$ मान होगा।

1666 1

  • 1
    abc
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 2. "1"

Q:

यदि a-b=10 , ab=-21,  है तो a3-bका मान होगा।

1665 0

  • 1
    316
    Correct
    Wrong
  • 2
    370
    Correct
    Wrong
  • 3
    185
    Correct
    Wrong
  • 4
    158
    Correct
    Wrong
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Answer : 2. "370"

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Answer : 2. "$$42{6\over 7}\%$$ "
Explanation :

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