GATE Practice Question and Answer

Q: 83% of 2350 = ? 1594 0

  • 1
    1889.95
    Correct
    Wrong
  • 2
    1912.35
    Correct
    Wrong
  • 3
    1875.25
    Correct
    Wrong
  • 4
    1950.50
    Correct
    Wrong
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Answer : 4. "1950.50"
Explanation :

Answer: D) 1950.50 Explanation: 83% of 2350 = ?   83/100 x 2350   =8.3 x 235   =1950.50

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Answer :
Explanation :

We know a proverb that An apple a day keeps the doctor away. To keep the doctor away from her, he gave seven apples, each apple a day.

Q: Is boiling water a chemical change? 1591 0

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Answer :
Explanation :

No. Boiling water is not a chemical change. Because in this process it doesn't loss its properties. It just changes its state i.e, from liquid state to gaseous.   Hence, Boiling water is a Physiacl change and not a chemical change.

Q: If the price of a commodity is decreased by 20% and its consumption is increased by 10%, what will be the increase or decrease in the expenditure on the commodity? 1591 0

  • 1
    increase 12%
    Correct
    Wrong
  • 2
    decrease 12%
    Correct
    Wrong
  • 3
    increase 16%
    Correct
    Wrong
  • 4
    decrease 16%
    Correct
    Wrong
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Answer : 2. "decrease 12%"
Explanation :

Answer: B) decrease 12% Explanation: Given the price of a commodity is decreased by  p = 20% And its consumption is increased by q = 10% Now, required increase or decrease in the expenditure on the commodity can be  p + q + pq/100 = -20 + 10 - 200/100 = -10 - 2 = -12%.   Hence, decrease in the expenditure = 12%

Q: What has a neck but no head and wears a cap? 1590 0

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Answer :
Explanation :

A bottle has a neck but no head and wears a cap.

Q: Which ideas or initiatives you've led and what was the outcome? 1590 0

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Answer :
Explanation :

In your answer, you need to show not only that you are capable of coming up with good ideas, but also that you can persuade other people to give you a chance to put them into action. Describe your most unique idea and initiative that gave the best results for the company. Make sure you highlight your creativity, your results, your diligence and your ability to execute.

Q: Hemavathi gets 3 marks for each right sum and loses 2 marks for each wrong sum. He attempts 35 sums and obtains 60 marks. The number of sums attempted correctly is ? 1587 0

  • 1
    23
    Correct
    Wrong
  • 2
    24
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    26
    Correct
    Wrong
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Answer : 4. "26"
Explanation :

Answer: D) 26 Explanation: Let, Hema attempted 'k' sum correctly, then k x 3 -2 x(35-k) = 605k = 130k = 26 so 26 correct sums.

Q: Two trains of equal length are running on parallel lines in the same direction at 36 km/hr and 26 km/hr. The faster train passes the slower train in 36 sec. The length of each train is ? 1586 0

  • 1
    28 mts
    Correct
    Wrong
  • 2
    54 mts
    Correct
    Wrong
  • 3
    24 mts
    Correct
    Wrong
  • 4
    50 mts
    Correct
    Wrong
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Answer : 4. "50 mts"
Explanation :

Answer: D) 50 mts Explanation: Let the length of each train be x mts. Then, distance covered = 2x mts. Relative speed = 36 - 26 = 10 km/hr. = 10 x 5/18 = 25/9 m/sec. 2x/36 = 25/9 => x = 50 mts.

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