Maths Practice Question and Answer

Q:

एक घड़ी 22 सेकण्ड में 12 बार बजती है। बताइए 8 बार बजने में कितना समय लेगी?

4934 0

  • 1
    30 सेकण्ड
    Correct
    Wrong
  • 2
    22 सेकण्ड
    Correct
    Wrong
  • 3
    20 सेकण्ड
    Correct
    Wrong
  • 4
    14 सेकण्ड
    Correct
    Wrong
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Answer : 4. "14 सेकण्ड"

Q:

यदि x और y का उच्चतम सामान्य गुणनखंड (HCF) 15 है, तो 36x2 – 81y2 और 81x2 – 9y2 का HCF __________ से विभाज्य है

4897 0

  • 1
    135
    Correct
    Wrong
  • 2
    120
    Correct
    Wrong
  • 3
    180
    Correct
    Wrong
  • 4
    90
    Correct
    Wrong
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Answer : 1. "135"

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Answer : 5. "16"

Q: यदि (\(4a ^2\)-\(3b^2\)):(\(2a ^2\)+\(5b ^2\))=12:19, है तो a:b=___ 4836 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"

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