Ratio and Proportion Practice Question and Answer

Q: यदि (\(4a ^2\)-\(3b^2\)):(\(2a ^2\)+\(5b ^2\))=12:19, है तो a:b=___ 4736 3

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

Q:

दो संख्याओं का योगफल तथा गुनफल क्रमश : 11 तथा 18 है । उनके व्युत्क्रमों का योगफल क्या है ?

1053 0

  • 1
    $$ 2\over 11 $$
    Correct
    Wrong
  • 2
    $$ 11\over 2 $$
    Correct
    Wrong
  • 3
    $$ 18\over 11 $$
    Correct
    Wrong
  • 4
    $$ 11\over 18 $$
    Correct
    Wrong
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Answer : 4. " $$ 11\over 18 $$"

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Answer : 1. "5:2"

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Answer : 2. "15:8"

Q:

12 और 30 के तीसरे समानुपातिक तथा 9 और 25 के मध्यानुपाती के बीच अनुपात है- 

888 0

  • 1
    2 : 1
    Correct
    Wrong
  • 2
    5 : 1
    Correct
    Wrong
  • 3
    7 : 15
    Correct
    Wrong
  • 4
    9 : 14
    Correct
    Wrong
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Answer : 2. "5 : 1"

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