GATE Practice Question and Answer

Q: Find the odd one out of the following number series? 56, 64, 48, 90, 16, 144 1689 0

  • 1
    48
    Correct
    Wrong
  • 2
    64
    Correct
    Wrong
  • 3
    90
    Correct
    Wrong
  • 4
    16
    Correct
    Wrong
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Answer : 3. "90"
Explanation :

Answer: C) 90 Explanation: The given number series follows a pattern that, 56 56 + 8 = 64 64 - 16 = 48 48 + 32 = 80 (Not equal to 90) 80 - 64 = 16 16 + 128 = 144    Hence, the odd number in the given number series is 90.

Q: 9 P in SS? 1516 0

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Answer :
Explanation :

9 P in SS  is a short form for 9 Planets i  Solar System.   There are many more of this kind. Some of them are:   1. 7 C in a R        -    7 Colours in a Rainbow 2.  90 D in a R A   -    90 Degrees in a Right Angle 3.  52 W in a Y     -    52 Weeks in a Year 4.  5 C in an OF 5.  12 S of the Z

Q: What is the saddest fruit? 4563 0

  • 1
    Blackberries
    Correct
    Wrong
  • 2
    Strawberries
    Correct
    Wrong
  • 3
    Blueberries
    Correct
    Wrong
  • 4
    Pineapples
    Correct
    Wrong
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Answer : 3. "Blueberries"
Explanation :

Answer: C) Blueberries Explanation: Blueberries are the saddest fruits.   Reason :: In English some colors are associated with feelings. Blue is associated with sadness. When you "feel blue" it means that you are feeling sad.   Hence, as blueberries has blue in its name it indicates that that is the saddest fruit in logic.

Q: What one word has the most letters in it? 1356 0

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Answer :
Explanation :

ALPHABET is the only has the most letters in it.   Alphabet has all the 26 letters from A - Z.    Hence, ALPHABET is one word that has the most letters in it.

Q: Energy is measured in units called 1536 0

  • 1
    Newtons
    Correct
    Wrong
  • 2
    Watts
    Correct
    Wrong
  • 3
    Joules
    Correct
    Wrong
  • 4
    Ohm/mtr
    Correct
    Wrong
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Answer : 3. "Joules"
Explanation :

Answer: C) Joules Explanation: Energy is measured in units called Joules.   Joule is unit of work or energy in the International System of Units (SI) which is equal to the work done by a force of one newton acting through one metre.   1 Joule  =  107 ergs or 0.7377 foot-pounds.

Q: Commissioned - Antonym 1331 0

  • 1
    Instruct
    Correct
    Wrong
  • 2
    Empower
    Correct
    Wrong
  • 3
    Nominate
    Correct
    Wrong
  • 4
    Dismiss
    Correct
    Wrong
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Answer : 4. "Dismiss"
Explanation :

Answer: D) Dismiss Explanation: Commissioned means Authority granted for a particular action or function.   Here, in the given options Dismiss is the only word which is opposite in meaning to commissioned.   Hence, Antonym of  Commissioned is Dismiss.

Q: Which results from an increase in the greenhouse effect? 1123 0

  • 1
    Ocean acidification
    Correct
    Wrong
  • 2
    Smog pollution
    Correct
    Wrong
  • 3
    Ozone depletion
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: A greenhouse gas (GHG) is any gas in the atmosphere that absorbs and emits radiation in the thermal infrared range.   The increase in average global temperatures that results from an enhanced greenhouse effect. Effects of increased greenhouse gas emissions: Increases in the different greenhouse gases have other effects apart from global warming including ocean acidification, smog pollution, ozone depletion as well as changes to plant growth and nutrition levels.

Q: 3/8 as a decimal 1185 0

  • 1
    1.375
    Correct
    Wrong
  • 2
    2.375
    Correct
    Wrong
  • 3
    0.375
    Correct
    Wrong
  • 4
    3.75
    Correct
    Wrong
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Answer : 3. "0.375"
Explanation :

Answer: C) 0.375 Explanation: Expressing 3/8 as a decimal fraction: We can convert 3/8 into a decimal fraction by just dividing 3 by 8 or making 3 into 8 parts. Then, it is 3/8 = 0.375 as a decimal fraction.   Other Method:: 3/8 as a Decimal : In this we should convert the denominator into 10, 100, 1000, 10000, 100000,... to make it simple. Now to make 8 into 1000, we multiply numerator and denominator with 125   => (3 x 125)/(8 x 125) = 375/1000 = 0.375.

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