GATE Practice Question and Answer

Q: Ronika deposited Rs.7000 which amounted to Rs.9200 after 3 years at simple interest. Had the interest been 2% more. She would get how much ? 2665 0

  • 1
    9850
    Correct
    Wrong
  • 2
    9500
    Correct
    Wrong
  • 3
    9620
    Correct
    Wrong
  • 4
    9760
    Correct
    Wrong
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Answer : 3. "9620"
Explanation :

Answer: C) 9620 Explanation: As the interest rate increases by 2%=> (7000x3x2)/100 = 420                                   9200                                  --------                                   9620

Q: Natural Rubber is a Polymer of 2663 0

  • 1
    butadiene
    Correct
    Wrong
  • 2
    2methyl-1,3butadiene
    Correct
    Wrong
  • 3
    ethylene
    Correct
    Wrong
  • 4
    isoprene
    Correct
    Wrong
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Answer : 4. "isoprene"
Explanation :

Answer: D) isoprene Explanation: Natural Rubber is a Polymer derived from Isoprene.  Natural rubber is an addition polymer that is obtained as a milky white fluid known as Latex from a Tropical Rubber Tree.

Q: Which of the following is not a pure substance? 2663 0

  • 1
    Oxygen
    Correct
    Wrong
  • 2
    Carbon dioxide
    Correct
    Wrong
  • 3
    Water
    Correct
    Wrong
  • 4
    Milk
    Correct
    Wrong
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Answer : 4. "Milk"
Explanation :

Answer: D) Milk Explanation: Milk is not a pure substance since it has so many constituents that can be separated physically. Compounds are pure substances formed from elements unlike mixtures.

Q: Groundwater is found underground in the zone of 2662 0

  • 1
    Penetration
    Correct
    Wrong
  • 2
    Aeration
    Correct
    Wrong
  • 3
    Saturation
    Correct
    Wrong
  • 4
    Both B & C
    Correct
    Wrong
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Answer : 4. "Both B & C"
Explanation :

Answer: D) Both B & C Explanation: Groundwater is all the water that has penetrated the earth's surface and is found in one of two soil layers. The one nearest the surface is the "zone of aeration", where gaps between soil are filled with both air and water. Below this layer is the "zone of saturation", where the gaps are filled with water.

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Answer : 1. "Rs. 60"
Explanation :

Answer: A) Rs. 60 Explanation: Price of 1kg fresh cashew = Rs.120Therefore, price of 10kg = Rs.120 x 10 = Rs.1200 10% of 10kg which eaten by rodents = 10 x 10/100 = 1kg. So, End of Year he had 10kg - 1kg = 9kg So, he sells that 9kg with Rs.20 per kg profit = 9 x 140 = 1260. He buy 10kg wooden box with cashew for Rs.1200 and sell that for Rs. 1260 So, profit = 1260 - 1200 = Rs.60 more money he get.

Q: The average age of A and B, 2 years ago was 26. If the age of A, 5 years hence is 40 yrs, and B is 5 years younger to C, then find the difference between the age of A and C? 2656 0

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

Answer: B) 9 yrs Explanation: Let the present ages of A and B be 'x' and 'y' respectively From the given data,  [(x-2) + (y-2)]/2 = 26 => x+y = 56 But given the age of A, 5 years hence is 40 yrs => present age of A = 40 - 5 = 35 yrs => x = 35 => y = 56 - 35 = 21 => Age of B = 21 yrs Given B is 5 years younger to C, => Age of C = 21 + 5 = 26 yrs => Required Difference between ages of A and C = 35 - 26 = 9 yrs.

Q: I can Honk without using a Horn. Who am I? 2656 0

  • 1
    Goose
    Correct
    Wrong
  • 2
    Crane
    Correct
    Wrong
  • 3
    Penguin
    Correct
    Wrong
  • 4
    Humming
    Correct
    Wrong
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Answer : 1. "Goose"
Explanation :

Answer: A) Goose Explanation: Goose can Honk without using a Horn. Geese are waterfowl of the family Anatidae.

Q: What gets wetter and wetter the more it dries? 2653 0

  • 1
    Soap
    Correct
    Wrong
  • 2
    Towel
    Correct
    Wrong
  • 3
    Clothes
    Correct
    Wrong
  • 4
    Sponge
    Correct
    Wrong
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Answer : 2. "Towel"
Explanation :

Answer: B) Towel Explanation: Towel gets wetter and wetter the more it dries because we use that towel which is dried after used.

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