Mensuration Questions Practice Question and Answer

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Answer : 1. "7 सेमी"

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Answer : 1. "5√2 सेमी"

Q:

किसी वर्ग के भीतर खीचें गये वृत का क्षेत्रफल 9π cm2, है। वर्ग का क्षेत्रफल ज्ञात करें? 

958 0

  • 1
    24 cm2
    Correct
    Wrong
  • 2
    30 cm2
    Correct
    Wrong
  • 3
    36 cm2
    Correct
    Wrong
  • 4
    81 cm2
    Correct
    Wrong
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Answer : 3. "36 cm2"

Q:

किसी आयत की लम्बाई तथा चौड़ाई का अनुपात 3ः2 है तथा परिमाप 20 सेमी है। आयत का क्षेत्रफल ज्ञात करों 

977 0

  • 1
    24 सेमी2
    Correct
    Wrong
  • 2
    36 सेमी2
    Correct
    Wrong
  • 3
    48 सेमी2
    Correct
    Wrong
  • 4
    12 सेमी2
    Correct
    Wrong
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Answer : 1. "24 सेमी2"
Explanation :

2(3x+2x)=20
x=2
then the length and breadth of a rectangle is 6, and 4
The Area of Rectangle will be Length*breadth=6*4=24 cm2


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Answer : 2. "9 सेमी"
Explanation :

According to question given that x2-y2=32, and x-y=2
then we find x and y 

Q:

किसी पहिये की त्रिज्या 1.75 मीटर है। 11 किमी. चलने में पहिये द्वारा तय चक्कर ज्ञात करें? 

1148 0

  • 1
    800
    Correct
    Wrong
  • 2
    900
    Correct
    Wrong
  • 3
    1000
    Correct
    Wrong
  • 4
    1200
    Correct
    Wrong
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Answer : 3. "1000"
Explanation :

According to question (2πr)n=11000 meter
then n is number of circle n=11000/2πr
n=1000 Ans.


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