GATE Practice Question and Answer

Q: Indian state where Uniform Civil Code is applied? 2316 0

  • 1
    Uttarakhand
    Correct
    Wrong
  • 2
    Uttar Pradesh
    Correct
    Wrong
  • 3
    Goa
    Correct
    Wrong
  • 4
    Delhi
    Correct
    Wrong
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Answer : 3. "Goa"
Explanation :

Answer: C) Goa Explanation: Uniform civil code is the ongoing point of debate within Indian mandate to replace personal laws based on the scriptures and customs of each major religious community in India with a common set of rules governing every citizen.   Goa is the only state in INdia where Uniform Civil Code is applied. Laws are equal to all religion. Polygamy and triple talaq are illegal.

Q: P, Q, and R can do a job in 12 days together.  If their efficiency of working be in the ratio 3 : 8 : 5, Find in what time Q can complete the same work alone? 2315 0

  • 1
    36 days
    Correct
    Wrong
  • 2
    30 days
    Correct
    Wrong
  • 3
    24 days
    Correct
    Wrong
  • 4
    22 days
    Correct
    Wrong
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Answer : 1. "36 days"
Explanation :

Answer: A) 36 days Explanation: Given the ratio of efficiencies of P, Q & R are 3 : 8 : 5 Let the efficiencies of P, Q & R be 3x, 8x and 5x respectively They can do work for 12 days. => Total work = 12 x 16x = 192x   Now, the required time taken by Q to complete the job alone = 162x8x = 24 days.

Q: Pointing to a photograph, a man said, "I have no brother or sister but that man’s father is my father’s son." Whose photograph was it? 2314 0

  • 1
    His uncle's
    Correct
    Wrong
  • 2
    His nephew's
    Correct
    Wrong
  • 3
    His son's
    Correct
    Wrong
  • 4
    His Cousin's
    Correct
    Wrong
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Answer : 3. "His son's"
Explanation :

Answer: C) His son's Explanation: Since the narrator has no brother, his father’s son is he himself. So, the man who is talking is the father of the man in the photograph. Thus, the man in the photograph is his son.

Q: Which of the following is not a fossil fuel? 2314 0

  • 1
    Natural Gas
    Correct
    Wrong
  • 2
    Uranium
    Correct
    Wrong
  • 3
    Coal
    Correct
    Wrong
  • 4
    Petroleum
    Correct
    Wrong
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Answer : 2. "Uranium"
Explanation :

Answer: B) Uranium Explanation: Uranium is not a fossil fuel whereas coal, petroleum and natural gas are all natural resources. Fossil fuels are hydrocarbons, primarily coal, fuel oil or natural gas, formed from the remains of dead plants and animals. In common dialogue, the term fossil fuel also includes hydrocarbon-containing natural resources that are not derived from animal or plant sources

Q: How many right angles does a square have? 2314 0

  • 1
    2
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 3. "4"
Explanation :

Answer: C) 4 Explanation: A square and a rectangle each have 4 right (90 deg) angles.  Both square and rctangle have 4 sides and 4 angles, but the only difference is square is a rectangle with all sides equal.

Q: Find the greatest number that will divide 964, 1238 and 1400 leaving remainder of 41,31 and 51 respectively ? 2313 0

  • 1
    64
    Correct
    Wrong
  • 2
    69
    Correct
    Wrong
  • 3
    71
    Correct
    Wrong
  • 4
    58
    Correct
    Wrong
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Answer : 3. "71"
Explanation :

Answer: C) 71 Explanation: To find the greatest number which divides the numbers 964, 1238 and 1400 leaving the remainders 41, 31 and 51 is nothing but the HCF of (964 - 41), (1238 - 31), (1400 - 51). Therefore, HCF of 923, 1207 and 1349 is 71.

Q: A seller uses 840 gm in place of 1 kg to sell his goods. Find his actual profit/loss % When he sells his article on 4% loss on cost price ? 2312 1

  • 1
    14.28 % profit
    Correct
    Wrong
  • 2
    24.18 % profit
    Correct
    Wrong
  • 3
    14.28 % loss
    Correct
    Wrong
  • 4
    24.18 % loss
    Correct
    Wrong
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Answer : 1. "14.28 % profit"
Explanation :

Answer: A) 14.28 % profit Explanation: Let 1kg of Rs. 100 then 840gm is of Rs. 84.Now (label on can 1kg but contains 840kg ) so for customer it is of Rs. 100 and further gives 4% discount [he sells his article on 4% loss on cost price.] So now S.P = Rs. 96But actually it contains 840 gm so C.P for shopkeeper = Rs. 84S.P = Rs. 96C.P = Rs. 84Profit% = {(S.P-C.P)/C.P}x100{(96-84)/84} x 100 = 14.28571429% PROFIT.

Q: Namitha sold a powerbank which is at the cost of Rs. 1950 at a loss of 25%. Find at what cost will she have to sell it to get a profit of 25%? 2311 0

  • 1
    Rs. 3680
    Correct
    Wrong
  • 2
    Rs. 3560
    Correct
    Wrong
  • 3
    Rs. 3320
    Correct
    Wrong
  • 4
    Rs. 3250
    Correct
    Wrong
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Answer : 4. "Rs. 3250"
Explanation :

Answer: D) Rs. 3250 Explanation: Let the Cost price of the powerbank = Rs. P But given that by selling it at Rs. 1950, it gives a loss of 25% => P x 75100 = 1950=>P = 1950 x 10075 = Rs. 2600Now, to get a profit of 25% Selling Price = 2600 x 125100 = Rs. 3250.

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