Practice Question and Answer

Q:

Mohan purchased an article and sold it for Rs 2817.50 and earned 15% profit on the cost price. What was the cost price of the article?

2077 0

  • 1
    Rs 2500
    Correct
    Wrong
  • 2
    Rs 2450
    Correct
    Wrong
  • 3
    Rs 2550
    Correct
    Wrong
  • 4
    Rs 3315
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "Rs 2450"

Q: At the present rates of population growth of India and China, by which year is India likely to overtake China as the world’s most populous country 2077 0

  • 1
    2025
    Correct
    Wrong
  • 2
    2040
    Correct
    Wrong
  • 3
    2030
    Correct
    Wrong
  • 4
    2050
    Correct
    Wrong
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Answer : 3. "2030"

Q:

What of the following statements is incorrect?

2077 0

  • 1
    Iron sinks in water
    Correct
    Wrong
  • 2
    Wood floats on water
    Correct
    Wrong
  • 3
    Mercury floats on water
    Correct
    Wrong
  • 4
    Iron floats in mercury
    Correct
    Wrong
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Answer : 3. "Mercury floats on water"

Q: Milk is an example of a 2076 0

  • 1
    Emulsion
    Correct
    Wrong
  • 2
    Solution
    Correct
    Wrong
  • 3
    Gel
    Correct
    Wrong
  • 4
    Suspension
    Correct
    Wrong
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Answer : 1. "Emulsion"
Explanation :

Answer: A) Emulsion Explanation: Milk is an emulsion of oil in water (o/w). Emulsion: A suspension of droplets of one liquid in another. Constituents of milk : The principal constituents of milk are water, fat, proteins, lactose (milk sugar) and minerals (salts). Milk also contains trace amounts of other substances such as pigments, enzymes, vitamins, phospholipids (substances with fatlike properties), and gases.

Q:

In the following questions, select the number which will come in place of the question mark.

2076 0

  • 1
    15
    Correct
    Wrong
  • 2
    17
    Correct
    Wrong
  • 3
    21
    Correct
    Wrong
  • 4
    18
    Correct
    Wrong
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Answer : 4. "18"
Explanation :

First Row =7+8+4-1=18
Second Row=2+3+9-1=13
Hence we can get 5+6+8-1=18

Q: Seven men can complete a work in 12 days. They started the work and after 5 days, two men left. In how many days will the work be completed by the remaining men? 2075 0

  • 1
    5
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 4. "None of these"

Q: Who is the author of "Koonalamma Padalu" ? 2075 0

  • 1
    Arudra
    Correct
    Wrong
  • 2
    Gaddar
    Correct
    Wrong
  • 3
    Sri Sri
    Correct
    Wrong
  • 4
    Devulapalli Krishnasastry
    Correct
    Wrong
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Answer : 1. "Arudra"
Explanation :

Answer: A) Arudra Explanation:

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