Practice Question and Answer

Q:

निम्नलिखित आकृति में कितने त्रिभुज हैं?

4321 0

  • 1
    16
    Correct
    Wrong
  • 2
    14
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 1. "16"

Q:

' तू डाल-डाल, मैं पात-पात' लोकोक्ति का सही अर्थ है - 

4317 0

  • 1
    एक से बढ़कर एक चालाक
    Correct
    Wrong
  • 2
    एक दूसरे पर दोषारोपण करना
    Correct
    Wrong
  • 3
    एक-दूसरे का पीछा करना
    Correct
    Wrong
  • 4
    एक- दूसरे को परास्त करना
    Correct
    Wrong
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Answer : 1. "एक से बढ़कर एक चालाक "

Q: There are 100 students in 3 sections A, B and C of a class. The average marks of all the three sections was 84. The average of B and C was 87.5 and the average marks of students in A section was : 4317 0

  • 1
    20
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    54
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
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Answer : 1. "20"
Explanation :

Answer: A) 20 Explanation: Numbers of students in section A = x ∴ Numbers of students in section B and C = (100 – x) ∴ x 70 + (100 – x) 87.5 = 84 100 => 70x + 87.5 100 – 87.5x = 8400 => 8750 – 17.5x = 8400 => 17.5x = 8750 – 8400 => x = 20.

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Answer : 4. " 840 "

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