GATE Practice Question and Answer

Q: In what ratio must wheat at Rs. 3.20/kg be mixed with wheat at Rs. 2.90/kg so that the mixture be worth Rs. 3/kg? 2150 0

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

Answer: C) 2:1 Explanation: Given rate of wheat at cheap = Rs. 2.90/kg Rate of wheat at cost = Rs. 3.20/kg Mixture rate = Rs. 3/kg Ratio of mixture =            2.90                              3.20                               3 (3.20 - 3 = 0.20)            (3 - 2.90 = 0.10)   0.20 : 0.10 = 2:1   Hence, wheat at Rs. 3.20/kg be mixed with wheat at Rs. 2.90/kg in the ratio of 2:1, so that the mixture be worth Rs. 3/kg.

Q: The World Music Day is celebrated across the world on 1242 0

  • 1
    June 26
    Correct
    Wrong
  • 2
    June 21
    Correct
    Wrong
  • 3
    June 17
    Correct
    Wrong
  • 4
    June 11
    Correct
    Wrong
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Answer : 2. "June 21"
Explanation :

Answer: B) June 21 Explanation: The World Music Day is celebrated across the world on 21 June.   The day is also known as 'Fete de la Musique' after a music festival that began in France in 1982.   This Day was first celebrated on 21st June 1982.

Q: Find the odd one out of the floowing number series? 270, 261, 279, 252, 289, 243 3009 0

  • 1
    270
    Correct
    Wrong
  • 2
    279
    Correct
    Wrong
  • 3
    289
    Correct
    Wrong
  • 4
    243
    Correct
    Wrong
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Answer : 3. "289"
Explanation :

Answer: C) 289 Explanation: Here the given number series is 270, 261, 279, 252, 289, 243 270 - 9 = 261 261 + 18 = 279 279 - 27 = 252 252 + 36 = 288 (not equals to 289) 288 - 45 = 243   Hence, the odd number in the given number series is 289.

Q: A Woman’s downstream swimming rate is thrice of her upstream swimming rate. If she covers 12 km upstream in 2.5 hours, what distance she will cover in 5 hours downstream? 3207 0

  • 1
    72 km
    Correct
    Wrong
  • 2
    36 km
    Correct
    Wrong
  • 3
    56 km
    Correct
    Wrong
  • 4
    42 km
    Correct
    Wrong
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Answer : 1. "72 km"
Explanation :

Answer: A) 72 km Explanation: Rate of her upstream = 12/2.5 = 4.8 km/hr Then, ATQ Rate of downstream = 4.8 x 3 = 14.4 km/hr   Hence, the distance she covers downstream in 5 hrs = 14.4 x 5 = 72 kms.

Q: What has a foot but no legs? 2087 0

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Answer :
Explanation :

A measuring device.   Measuring devices have feet on them to measure distance.

Q: The ratio of K’s and M’s ages is 4: 5. If the difference between the present age of M and the age of K, 5 years hence is 3 years, then what is the difference and total of present ages of K and M? 1708 0

  • 1
    8, 72 yrs
    Correct
    Wrong
  • 2
    16, 65 yrs
    Correct
    Wrong
  • 3
    12, 84 yrs
    Correct
    Wrong
  • 4
    10, 60 yrs
    Correct
    Wrong
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Answer : 1. "8, 72 yrs"
Explanation :

Answer: A) 8, 72 yrs Explanation: Let the present ages be K,M Given K/M = 4/5 5K - 4M = 0 ......(1) Also given that, M - (K + 5) = 3 M - K = 8 .........(2) Then, by solving (1) & (2) M = 40 yrs and K = 32 yrs Hence, Total of ages = 40 + 32 = 72 yrs Difference of ages = 40 - 32 = 8 yrs.

Q: What place is designated as 0 degrees longitude? 1463 0

  • 1
    Greenwich
    Correct
    Wrong
  • 2
    Prime meridian
    Correct
    Wrong
  • 3
    Tibet
    Correct
    Wrong
  • 4
    Norway
    Correct
    Wrong
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Answer : 1. "Greenwich"
Explanation :

Answer: A) Greenwich Explanation: The place which is designated as 0 degrees longitude is Greenwich, England.

Q: Why are you the best candidate for this position? 1419 0

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Answer :
Explanation :

I am a fast learner, as I had to learn a totally new operating system in my last job and I was up and running within a couple of weeks.   As you require someone who can perform wide range of administrative work, I have a track record of carrying different tasks efficiently and effectively.   I have the right combination of skills and experiance for this job. I also bring the additional quality of strong analytical and problem solving ability as shown by my introduction of a more efficient work flow system at some company.

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