GATE Practice Question and Answer

Q: Antonym for Durable 2337 0

  • 1
    Pressure
    Correct
    Wrong
  • 2
    Flimsy
    Correct
    Wrong
  • 3
    Hard-wearing
    Correct
    Wrong
  • 4
    Withstand
    Correct
    Wrong
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Answer : 2. "Flimsy"
Explanation :

Answer: B) Flimsy Explanation: Durable means able to withstand wear, pressure.   Antonyms for Durable are Delicate, Flimsy, Short-lived.

Q: Sullen is to moody as monotonous is to what 2335 0

  • 1
    Repetitious
    Correct
    Wrong
  • 2
    Attractive
    Correct
    Wrong
  • 3
    Drab
    Correct
    Wrong
  • 4
    Varied
    Correct
    Wrong
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Answer : 1. "Repetitious"
Explanation :

Answer: A) Repetitious Explanation: Here the given words, sullen and moody are synonyms to each other which means that gloomy, resentful. Similarly, repetitious and monotonous are synonyms to each other which means dull, tedious.   Hence, Sullen : moody :: monotonous : repetitious.

Q: A train covers 180 km distance in 5 hours. Another train covers the same distance in 1 hour less. What is the difference in the distances covered by these trains in one hour if they are moving in the same direction? 2335 0

  • 1
    15 kms
    Correct
    Wrong
  • 2
    9 kms
    Correct
    Wrong
  • 3
    6 kms
    Correct
    Wrong
  • 4
    18 kms
    Correct
    Wrong
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Answer : 2. "9 kms"
Explanation :

Answer: B) 9 kms Explanation: The first train covers 180 kms in 5 hrs => Speed = 180/5 = 36 kmph Now the second train covers the same distance in 1 hour less than the first train => 4 hrs => Speed of the second train = 180/4 = 45 kmph Now, required difference in distance in 1 hour = 45 - 36 = 9 kms.

Q: In a party there are male and female members. If 15 female quit then the number of females will become double the number of males. If 45 males quit no. of female becomes five times the number of males. Find the number of females ? 2334 0

  • 1
    175
    Correct
    Wrong
  • 2
    145
    Correct
    Wrong
  • 3
    165
    Correct
    Wrong
  • 4
    135
    Correct
    Wrong
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Answer : 1. "175"
Explanation :

Answer: A) 175 Explanation: Let the number of males be 'M'Let the number of females be 'F'From the given conditions,(F-15)=2M.....(i)F=5(M-45).....(ii)By solving the equations (1) & (2) we get M = 80 Then substitute M = 80 in (1)F = 2M + 15F = 2 x 80 + 15=> F = 175Therefore, number of males = 80 and females = 175 in the party.

Q: A class has 8 football players. A 5-member team and a captain will be selected out of these 8 players. How many different selections can be made ? 2334 0

  • 1
    210
    Correct
    Wrong
  • 2
    168
    Correct
    Wrong
  • 3
    1260
    Correct
    Wrong
  • 4
    10!/6!
    Correct
    Wrong
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Answer : 2. "168"
Explanation :

Answer: B) 168 Explanation: we can select the 5 member team out of the 8 in 8C5 ways = 56 ways. The captain can be selected from amongst the remaining 3 players in 3 ways. Therefore, total ways the selection of 5 players and a captain can be made = 56x3 = 168 ways.   (or)   Alternatively, A team of 6 members has to be selected from the 8 players. This can be done in 8C6 or 28 ways. Now, the captain can be selected from these 6 players in 6 ways. Therefore, total ways the selection can be made is 28x6 = 168 ways.

Q: Mr. X sold two properties P1 and P2 for Rs 1,00,000 each. He sold property P1 for 20% less than what he paid for it. What is the percentage of profit of property P2, so that he is not in gain or loss on the sale of two properties? 2332 0

  • 1
    33.33%
    Correct
    Wrong
  • 2
    29.97%
    Correct
    Wrong
  • 3
    25%
    Correct
    Wrong
  • 4
    22.22%
    Correct
    Wrong
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Answer : 1. "33.33%"
Explanation :

Answer: A) 33.33% Explanation: Let 'A' be the cost price of property P1. Then from the given data, the selling price of P1 = Rs. 1,00,000 He got 20% loss on selling P1 ⇒A - 20A100 = 100000⇒A = 1,25,000 Therefore, the amount he lossed on selling P1 = 25,000 As ge he got no loss or gain on sale of P1 and P2, the gain on selling P2 = 25,000 But the selling price of P2 = 1,00,000 => Cost price of P2 = 75,000   Hence, the profit percentage on P2 = GainCPx 100 = 2500075000x100 = 1003= 33.33%

Q: A single pipe of diameter x has to be replaced by six pipes of diameters 12 cm each. The pipes are used to covey some liquid in a laboratory. If the speed/flow of the liquid is maintained the same then the value of x is ? 2331 0

  • 1
    14.69 cm
    Correct
    Wrong
  • 2
    29.39 cm
    Correct
    Wrong
  • 3
    18.65 cm
    Correct
    Wrong
  • 4
    22.21 cm
    Correct
    Wrong
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Answer : 2. "29.39 cm"
Explanation :

Answer: B) 29.39 cm Explanation: Volume of water flowing through 1 pipe of diameter x = Volume discharged by 6 pipes of diameter 12 cms.   As speed is same, area of cross sections should be same.    Area of bigger pipe of diameter x = Total area of 6 smaller pipes of diameter 12  i.e πR2 = 6πR12    Here R = R and R1 = 12/2 = 6    ⇒R2 = 6×6×6    R = 14.696    => D = X = 14.696 * 2 = 29.3938 cm.

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Answer : 1. "20 or 21"
Explanation :

Answer: A) 20 or 21 Explanation: According to Pradeep : 20,21 or 22...(1)According to his brother : not 22....(2)From (1)&(2), the birthday falls on February 20 or 21.

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