Mensuration Questions Practice Question and Answer

Q:

यदि एक बेलन की त्रिज्या और ऊंचाई क्रमशः 20% और15% बढ़ा दी जाती है तो बेलन का वक्रपृष्ठीय क्षेत्रफल क्या होगा ? 

1995 0

  • 1
    38%
    Correct
    Wrong
  • 2
    42%
    Correct
    Wrong
  • 3
    35%
    Correct
    Wrong
  • 4
    32%
    Correct
    Wrong
  • 5
    निर्धारित नहीं किया जा सकता है
    Correct
    Wrong
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Answer : 1. "38% "

Q:

एक आयत का विकर्ण 17 सेमी लंबा है और उसका परिमाप 46 सेमी है। आयत का क्षेत्रफल ज्ञात कीजिए।

1991 0

  • 1
    110
    Correct
    Wrong
  • 2
    100
    Correct
    Wrong
  • 3
    120
    Correct
    Wrong
  • 4
    115
    Correct
    Wrong
  • 5
    125
    Correct
    Wrong
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Answer : 3. "120 "

Q:

एक वृत्त का क्षेत्रफल, 3850 वर्गमीटर है। इसकी परिधि क्या होगी?

1973 0

  • 1
    233 मीटर
    Correct
    Wrong
  • 2
    226 मीटर
    Correct
    Wrong
  • 3
    230 मीटर
    Correct
    Wrong
  • 4
    220 मीटर
    Correct
    Wrong
  • 5
    249 मीटर
    Correct
    Wrong
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Answer : 4. "220 मीटर"

Q:

वृतीय माप में 11015’ कोण का मान क्या होगा ?

1966 0

  • 1
    $${π^0}\over 16$$
    Correct
    Wrong
  • 2
    $${π^0}\over 8$$
    Correct
    Wrong
  • 3
    $${π^0}\over 4$$
    Correct
    Wrong
  • 4
    $${π^0}\over 12$$
    Correct
    Wrong
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Answer : 1. "$${π^0}\over 16$$"

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Answer : 2. "18 सेमी"
Explanation :

Area of first triangle =1/2*12*15=90
and second triangle Area will be 180 according to question that we can say
180=1/2*h*20
h=18 cm ans

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