GATE Practice Question and Answer

Q: The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and 15 as remainder. What is the smaller number  ? 1271 0

  • 1
    270
    Correct
    Wrong
  • 2
    1270
    Correct
    Wrong
  • 3
    350
    Correct
    Wrong
  • 4
    720
    Correct
    Wrong
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Answer : 1. "270"
Explanation :

Answer: A) 270 Explanation: Let the smallest number be x.Then larger number = (x + 1365)x + 1365 = 6x + 15= 5x = 1350 x = 270Smaller number = 270.

Q: Which among the following has ranked top Brand among Global 500 Brands in 2017 ? 1270 0

  • 1
    Apple
    Correct
    Wrong
  • 2
    Amazon
    Correct
    Wrong
  • 3
    Google
    Correct
    Wrong
  • 4
    Facebook
    Correct
    Wrong
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Answer : 3. "Google"
Explanation :

Answer: C) Google Explanation: 1. In the latest Global 500 rankings of most valuable and powerful brands across the globe, Sundar Pichai’s Google has surpassed Apple to achieve the top position.2. The Brand Finance Global 500 list published on February 2, 2017 had featured Apple as the top brand for continuous five years.3. However, for 2017, the ranking revealed that Google’s brand value rose by 24 percent to $109.5bn in 2016. The brand value of Apple on the other hand dropped 27 percent to $107bn.4. This is for the first time since 2011 that Google has been placed at the top spot. The third place has been occupied by Amazon.5. The ranking is based upon factors such as marketing investment, familiarity, loyalty, staff satisfaction and corporate reputation.

Q: If two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is  ? 1269 0

  • 1
    1
    Correct
    Wrong
  • 2
    1/2
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    3/5
    Correct
    Wrong
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Answer : 2. "1/2"
Explanation :

Answer: B) 1/2 Explanation: The number of exhaustive outcomes is 36.Let E be the event of getting an even number on one die and an odd number on the other. Let the event of getting either both even or both odd then = 18/36 = 1/2P(E) = 1 - 1/2 = 1/2.

Q: Which one of the following elements is a transition element? 1268 0

  • 1
    H
    Correct
    Wrong
  • 2
    As
    Correct
    Wrong
  • 3
    Fe
    Correct
    Wrong
  • 4
    Sr
    Correct
    Wrong
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Answer : 3. "Fe"
Explanation :

Answer: C) Fe Explanation: In chemistry, the term transition metal has three possible meanings: The IUPAC definition defines a transition metal as "an element whose atom has a partially filled d sub-shell, or which can give rise to cations with an incomplete d sub-shell". Any of the set of metallic elements occupying a central block (Groups IVB–VIII, IB, and IIB, or 4–12) in the periodic table, e.g. iron, manganese, chromium, and copper. Chemically they show variable valency and a strong tendency to form coordination compounds, and many of their compounds are coloured.   Here in the given options, only iron (Fe) is a transition metal since Strontium is an alkaline earth, arsenic is a metalloid, hydrogen is (normally) a diatomic gas.

Q: In the following number series, one of the numbers is wrong. Find it out? 77, 79, 76, 81, 75, 85 1267 0

  • 1
    79
    Correct
    Wrong
  • 2
    81
    Correct
    Wrong
  • 3
    75
    Correct
    Wrong
  • 4
    85
    Correct
    Wrong
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Answer : 3. "75"
Explanation :

Answer: C) 75 Explanation: Here in the given series, it follows a pattern that   77 + 2 = 79   79  - 3 = 76   76 + 5 = 81   81 -  7 = 74   74 + 11 = 85   Consecutive adding and subtracting of prime numbers.   So the wrong number in the given series is 75.

Q: _____ ties-up with Airtel to roll out integrated digital offerings to customers in 2017 ? 1267 0

  • 1
    Uber cabs
    Correct
    Wrong
  • 2
    Ola cabs
    Correct
    Wrong
  • 3
    Cabs 24
    Correct
    Wrong
  • 4
    Dot cabs
    Correct
    Wrong
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Answer : 2. "Ola cabs"
Explanation :

Answer: B) Ola cabs Explanation: India's largest cab aggregator Ola has partnered with Bharti Airtel to launch a range of integrated digital offerings to customers.  As part of the partnership, Ola will integrate Airtel Payments bank to its app and Airtel will integrate Ola's mobile wallet Ola Money as a payment solution on Airtel website and MyAirtel app for mobile recharges and bill payments.

Q: What is the difference between the number of uneducated females in city P and that of uneducated males in city S ? 1265 0

  • 1
    9 lakhs
    Correct
    Wrong
  • 2
    6 lakhs
    Correct
    Wrong
  • 3
    3 lakhs
    Correct
    Wrong
  • 4
    2 lakhs
    Correct
    Wrong
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Answer : 1. "9 lakhs"
Explanation :

Answer: A) 9 lakhs Explanation: Educated females in city P = 25 lakhs Uneducated females in city P = 30 - 25 = 5 lakhs Educated males city S = 21 lakhs Educated males in city S = 35 - 21= 14 lakhs Required difference = 14 - 5 = 9 lakhs

Q: What is something you will never see again? 1265 0

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Answer :
Explanation :

Yesterday, is what we will never see again as the time we come across will never be back.

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