GATE Practice Question and Answer

Q: National Highway No: _____  is called as Shershah Suri Marg ? 3577 0

  • 1
    NH-1
    Correct
    Wrong
  • 2
    NH-3
    Correct
    Wrong
  • 3
    NH-7
    Correct
    Wrong
  • 4
    NH-5
    Correct
    Wrong
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Answer : 1. "NH-1"
Explanation :

Answer: A) NH-1 Explanation: N.H. 1 is also called The Sher Shah Suri Marg between Delhi and Amritsar.

Q: Study of the sun is called 3562 0

  • 1
    Coronagraphy
    Correct
    Wrong
  • 2
    Seismography
    Correct
    Wrong
  • 3
    Helioseismology
    Correct
    Wrong
  • 4
    Heliography
    Correct
    Wrong
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Answer : 3. "Helioseismology"
Explanation :

Answer: C) Helioseismology Explanation: Helioseismology is the study of the solar interior using observations of waves on the Sun's surface. It has done much to improve our understanding of the interior of the Sun, testing the physical inputs used to model stellar interiors and providing a detailed map of the Sun's structure and internal rotation.

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Answer :
Explanation :

1. Answer : 2 Explanation : Productivity = Total production/area of Agr.land  Productivity of UP = [ (35000+30000+25000) / (30/100) ] = 300000   Productivity of MP = [ (30000+37500+27500) / (25/100) ] = 380000   Productivity of Bihar = [ (22500+27500+25000) / (20/100) ] = 375000  Productivity of Odisha = [ (22500+15000+10000) / (5/100) ]= 950000   Productivity of Haryana = [ (30000+25000+35000) / (8/100) ] = 1125000   Productivity of Punjab = [ (40000+35000+30000) / (12/100) ] = 875000  The Productivity of Haryana is the maximum.       2. Answer : 5   Explanation : Production of Punjab is maximum = 105000 tonnes      3. Answer : 3  Explanation : Production of Wheat in Punjab = 40000 tones Production of Maize in Odisha = 10000 tones Required % = (40000 - 10000)/100 = 300%      4. Answer : 4  Explanation : The ratio of prodution of Rice in Bihar to the production of Wheat in Haryana = 25000 tonnes : 25000 tonnes = 1 : 1       5. Answer : 1   Explanation : Income of MP from export of 40% of Rice at the rate of Rs.30 per kg = Rs.39crore Income of UP from export of 30% of Rice at the rate of Rs.32 per kg = Rs.28.8 crore  Required ratio = 39 : 28.8 = 390 : 288 = 65 : 48

Q: Find the next number in the sequence? 28, 16, 28, 76, 274 3550 0

  • 1
    1233
    Correct
    Wrong
  • 2
    1243
    Correct
    Wrong
  • 3
    1256
    Correct
    Wrong
  • 4
    1276
    Correct
    Wrong
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Answer : 2. "1243"
Explanation :

Answer: B) 1243 Explanation: Given number sequence is 28, 16, 28, 76, 274 Here the sequence follows a pattern that 28 28 x 0.5 + 2 = 14 + 2 = 16 16 x 1.5 + 4 = 24 + 4 = 28 28 x 2.5 + 6 = 70 + 6 = 76 76 x 3.5 + 8 = 266 + 8 = 274 274 x 4.5 + 10 = 1233 + 10 = 1243   Hence, the next number in the given number sequence is 1243.

Q: The salary of Mr. X is 30% more than that of Mr. Y . Find what percent of Mr. Y’s salary is less than Mr. X’s ? 3537 0

  • 1
    24%
    Correct
    Wrong
  • 2
    23 1/3%
    Correct
    Wrong
  • 3
    25 1/2%
    Correct
    Wrong
  • 4
    22 8/9 %
    Correct
    Wrong
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Answer : 2. "23 1/3%"
Explanation :

Answer: B) 23 1/3% Explanation: y=100 x=130 130---------30100---------? => 23 1/3%

Q: A compass always points to 3536 2

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    North
    Correct
    Wrong
  • 2
    Magnetic north
    Correct
    Wrong
  • 3
    Magnetic South
    Correct
    Wrong
  • 4
    South
    Correct
    Wrong
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Answer : 2. "Magnetic north"
Explanation :

Answer: B) Magnetic north Explanation: Wherever on earth we hold a compass, the needle points towards the magnetic North Pole. A compass is a great tool for navigation. Compass is widely used in aircrafts, ships, military services,...

Q: A watch gains 5 seconds in 3 minutes and was set right at 8 AM. What time will it show at 10 PM on the same day ? 3515 0

  • 1
    10 : 27 : 41 AM
    Correct
    Wrong
  • 2
    8 : 51 : 04 AM
    Correct
    Wrong
  • 3
    9 : 45 : 15 PM
    Correct
    Wrong
  • 4
    10 : 23 : 20 PM
    Correct
    Wrong
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Answer : 4. "10 : 23 : 20 PM"
Explanation :

Answer: D) 10 : 23 : 20 PM Explanation: The watch gains 5 seconds in 3 minutes = 100 seconds in 1 hour. From 8 AM to 10 PM on the same day, time passed is 14 hours. In 14 hours, the watch would have gained 1400 seconds or 23 minutes 20 seconds. So, when the correct time is 10 PM, the watch would show 10 : 23 : 20 PM

Q: In a row, Kumar is at 7th place from the left and Pawan is at 9th place from the right. When they interchange the positions Kumar becomes 11th from left. How many were seated in the row ? 3514 0

  • 1
    19
    Correct
    Wrong
  • 2
    20
    Correct
    Wrong
  • 3
    21
    Correct
    Wrong
  • 4
    27
    Correct
    Wrong
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Answer : 1. "19"
Explanation :

Answer: A) 19 Explanation: Initialy from left 7th = kumarfrom right 9th = pawanInterchange kumar = 11th from left, from right kumar = 9th;11+8 = 19;8 is 1,2,3,4,5,6,7(pawan),8,9,10,11(kumar),12,13,14,15,16,17,18,19;simply count the 9th place from right we will get total as 19.

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