Practice Question and Answer

Q: A vertical toy 18 cm long casts a shadow 8 cm long on the ground. At the same time a pole casts a shadow 48 m. long on the ground. Then find the height of the pole ? 4133 0

  • 1
    1080 cm
    Correct
    Wrong
  • 2
    180 m
    Correct
    Wrong
  • 3
    108 m
    Correct
    Wrong
  • 4
    118 cm
    Correct
    Wrong
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Answer : 3. "108 m"
Explanation :

Answer: C) 108 m Explanation: We know the rule that,   At particular time for all object , ratio of height and shadow are same.   Let the height of the pole be 'H'   Then  188=H48   => H = 108 m.

Q:

Periyar Game Sanctuary is famous

4132 0

  • 1
    For Lions
    Correct
    Wrong
  • 2
    For spotted deer
    Correct
    Wrong
  • 3
    For Tigers
    Correct
    Wrong
  • 4
    For Elephants
    Correct
    Wrong
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Answer : 4. "For Elephants"

Q:

Whose unit is Farad?

4131 0

  • 1
    Conductivity
    Correct
    Wrong
  • 2
    resistance
    Correct
    Wrong
  • 3
    Motivation
    Correct
    Wrong
  • 4
    Capacity
    Correct
    Wrong
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Answer : 4. "Capacity"

Q:

Process making of bricks by using soil comes under which sector of economic activity?

4129 0

  • 1
    Tertiary sector
    Correct
    Wrong
  • 2
    Primary sector
    Correct
    Wrong
  • 3
    Secondary sector
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "Secondary sector"

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Answer : 2. "B"

Q:

In each of the following questions, which one of the four interchanges in signs and numbers would make the given equation correct?
( 3÷4 ) + 2=2 

4126 0

  • 1
    + and÷, 2 and 3
    Correct
    Wrong
  • 2
    + and ÷, 2 and 4
    Correct
    Wrong
  • 3
    + and ÷, 3 and 4
    Correct
    Wrong
  • 4
    No interchange , 3 and 4
    Correct
    Wrong
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Answer : 1. "+ and÷, 2 and 3 "

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