GATE Practice Question and Answer

Q: Currency of Peru is 1903 0

  • 1
    Chilean Peso
    Correct
    Wrong
  • 2
    Euro
    Correct
    Wrong
  • 3
    Sol
    Correct
    Wrong
  • 4
    Dollar
    Correct
    Wrong
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Answer : 3. "Sol"
Explanation :

Answer: C) Sol Explanation: Peru is a country in South America. Lima is the capital city of Peru. Sol is the currency of Peru.

Q: The cost price of 40 Magazines is the same as the selling price of 'P' articles. If the profit is 25%, then the value of 'P' is: 1902 0

  • 1
    32
    Correct
    Wrong
  • 2
    40
    Correct
    Wrong
  • 3
    16
    Correct
    Wrong
  • 4
    30
    Correct
    Wrong
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Answer : 1. "32"
Explanation :

Answer: A) 32 Explanation: Let C.P. of each Magazine be Rs. 1 C.P. of P articles = Rs. P.  S.P. of P articles = Rs. 40.   Profit = Rs. (40 - P)   Now, Gain% = ProfitC.P×100 = 40-PP×100    Here 40-PP×100= 25 -->P = 32.

Q: Manish completes a work in 20 days. After 8 days Sriram joined the work. In how many days will the work be completed  ? Statements : I. Sriram takes twice the time than Manish to complete the work.II. Sriram completes half the work in 15 days. 1901 0

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    Statement I alone is sufficient to answer the question
    Correct
    Wrong
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    Statement II alone is sufficient to answer the question
    Correct
    Wrong
  • 3
    Either the statements I & II is sufficient to answer the question
    Correct
    Wrong
  • 4
    Neither the statements I & II is sufficient to answer the question
    Correct
    Wrong
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Answer : 3. "Either the statements I & II is sufficient to answer the question"
Explanation :

Answer: C) Either the statements I & II is sufficient to answer the question Explanation: From statement I, Time taken by Sriram to complete the work = 40 days From statement II, Time taken by Sriram to complete the wok = 30 days So from both either by statement I or statement II we can find the time to complete the work.

Q: "Light years" is the unit of _____? 1900 0

  • 1
    Acceleration
    Correct
    Wrong
  • 2
    Distance
    Correct
    Wrong
  • 3
    Light Intensity
    Correct
    Wrong
  • 4
    Weight
    Correct
    Wrong
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Answer : 2. "Distance"
Explanation :

Answer: B) Distance Explanation: A Light-year is a distance that light travels in the vacuum in one Julian year (365.25 days). The light-year is a unit of length used to express astronomical distances. It is about 9.5 trillion kilometers or 5.9 trillion miles.

Q: A polygon has 44 diagonals, then the number of its sides are ? 1900 0

  • 1
    13
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    11
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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Answer : 3. "11"
Explanation :

Answer: C) 11 Explanation: Let the number of sides be n.  The number of diagonals is given by nC2 - n   Therefore, nC2 - n = 44, n>0  nC2 - n = 44 n2 - 3n - 88 = 0  n2 -11n + 8n - 88 = 0   n(n - 11) + 8(n - 11) = 0  n = -8 or n = 11.   As n>0, n will not be -8. Therefore, n=11.

Q: India’s longest bridge “Dhola-Sadia Bridge” has built over which tributary of the Brahmaputra River ? 1900 0

  • 1
    Kameng River
    Correct
    Wrong
  • 2
    Lohit River
    Correct
    Wrong
  • 3
    Subansiri River
    Correct
    Wrong
  • 4
    Manas River
    Correct
    Wrong
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Answer : 2. "Lohit River"
Explanation :

Answer: B) Lohit River Explanation: The Prime Minister Narendra Modi has inaugurated India’s longest bridge “Dhola-Sadia Bridge” in Assam on May 26, 2017. This three lane, 9.15 kilometre bridge has been built over river Lohit, a tributary of the Brahmaputra river. It links Dhola in Assam to Sadia. The bridge will reduce the distance from Rupai on NH- 37 in Assam to Meka-Roing on NH-52 in Arunachal Pradesh by 165 KM. The travel time between the two places will come down from the current six hours to just one hour, a total five hour reduction. This will result in saving of petrol and diesel worth Rs 10 Lakh per day. It will also cater to the strategic requirements of the country in the border areas of Arunachal Pradesh, besides facilitating numerous hydro power projects coming up in the state.

Q: I have a face but no eyes Puzzle 1899 0

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Answer :
Explanation :

A Clock has a face, but no eyes. It has 3 hands i.e, hours, minutes and seconds hands but no arms.

Q: Anu's present age is 9 years more than that of what Raj's age will be after five years. Raj's present age is seven years more than that of what Renu's age was 4 years ago. Renu's present age is 19 years. What will be Anu's age after 5 years ? 1898 0

  • 1
    39 yrs
    Correct
    Wrong
  • 2
    36 yrs
    Correct
    Wrong
  • 3
    46 yrs
    Correct
    Wrong
  • 4
    41 yrs
    Correct
    Wrong
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Answer : 4. "41 yrs"
Explanation :

Answer: D) 41 yrs Explanation: Anu = (Raj + 5) + 9 = Raj + 14 -------- (I) Raj = (Renu - 4) + 7 = Renu + 3 ------- (II) Raj's age = 19 + 3 = 22 years After 5 years Anu's age = 22 + 14 + 5 = 41 years

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