GATE Practice Question and Answer

Q: Fill in the blanks with suitable prepositions from the given options. The dog was sitting _______ the table waiting _______ catch the ball that was thrown ________ him _________ his master. 2176 0

  • 1
    below, for, to, by
    Correct
    Wrong
  • 2
    under, for, towards, by
    Correct
    Wrong
  • 3
    up, to, towards, by
    Correct
    Wrong
  • 4
    under, to, towards, by
    Correct
    Wrong
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Answer : 4. "under, to, towards, by"
Explanation :

Answer: D) under, to, towards, by Explanation: The dog was sitting under the table waiting to catch the ball that was thrown towards him by his master.

Q: 82.5% of 2360? 2176 0

  • 1
    1960
    Correct
    Wrong
  • 2
    1954
    Correct
    Wrong
  • 3
    1947
    Correct
    Wrong
  • 4
    1931
    Correct
    Wrong
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Answer : 3. "1947"
Explanation :

Answer: C) 1947 Explanation: Given 82.5% of 2360  82.5100 x 2360 = 0.825 x 2360 = 1947

Q: Find the odd one out? 6, 3, 3, 4.5, 10 2176 0

  • 1
    3
    Correct
    Wrong
  • 2
    4.5
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    10
    Correct
    Wrong
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Answer : 4. "10"
Explanation :

Answer: D) 10 Explanation: Here the given number series is 6, 3, 3, 4.5, 10 The odd one in the given series is 10 The pattern it follows is 6 6 x 0.5 = 3 3 x  1  = 3 3 x 1.5 = 4.5 4.5 x 2 = 9   Hence, the odd number is 10.

Q: A heap of coconuts is divided into groups of 2, 3 and 5 and each time one coconut is left over. The least number of Coconuts in the heap is  ? 2174 0

  • 1
    63
    Correct
    Wrong
  • 2
    31
    Correct
    Wrong
  • 3
    16
    Correct
    Wrong
  • 4
    27
    Correct
    Wrong
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Answer : 2. "31"
Explanation :

Answer: B) 31 Explanation: To get the least number of coconuts :LCM = 30 => 30 + 1 = 31

Q: Who invented Dynamite? 2174 0

  • 1
    Graham Bell
    Correct
    Wrong
  • 2
    Nikola Tesla
    Correct
    Wrong
  • 3
    Alfred Nobel
    Correct
    Wrong
  • 4
    Louis Pateur
    Correct
    Wrong
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Answer : 3. "Alfred Nobel"
Explanation :

Answer: C) Alfred Nobel Explanation: Alfred Bernhard Nobel was a Swedish chemist, engineer, inventor, businessman, and philanthropist. Known for inventing Dynamite, Nobel also owned Bofors, which he had redirected from its previous role as primarily an iron and steel producer to a major manufacturer of cannon and other armaments.

Q: A man saves 20% of his monthly salary. If an account of dearness of things he is to increase his monthly expenses by 15%, he is only able to save Rs. 400 per month. What is his monthly salary ? 2172 0

  • 1
    Rs. 6000
    Correct
    Wrong
  • 2
    Rs. 4500
    Correct
    Wrong
  • 3
    Rs. 5000
    Correct
    Wrong
  • 4
    Rs. 6500
    Correct
    Wrong
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Answer : 3. "Rs. 5000"
Explanation :

Answer: C) Rs. 5000 Explanation: Income = Rs. 100 Expenditure = Rs. 80 Savings = Rs. 20 Present Expenditure 80x(15/100) = Rs. 12 = 80 + 12 = Rs. 92 Present Savings = 100 – 92 = Rs. 8 100 ------ 8? --------- 400 => 5000 His salary = Rs. 5000

Q: Rajesh rows in still water with a speed of 4.5 kmph to go to a certain place and comes back. Find his average speed for the whole journey, if the river is flowing with a speed of 1.5 kmph? 2171 0

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

Answer: B) 4 kmph Explanation: Let the distance in one direction = k kms Speed in still water = 4.5 kmph Speed of river = 1.5 Hence, speed in upstream = 4.5 - 1.5 = 3 kmph Speed in downstream = 4.5 + 1.5 = 6 kmph Time taken by Rajesh to row upwards = k/3 hrs Time taken by Rajesh to row downwards = k/6 hrs Now, required Average speed =Total distanceTotal speed = 2kk3 + k6 = 2k x 186k + 3k = 4 kmph    Therefore, the average speed of the whole journey = 4kmph.

Q: FRIEND : FPIBNZ :: PATRON : ? 2171 0

  • 1
    PTYOPI
    Correct
    Wrong
  • 2
    PYTOPJ
    Correct
    Wrong
  • 3
    PYTOOJ
    Correct
    Wrong
  • 4
    PYTPOJ
    Correct
    Wrong
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Answer : 3. "PYTOOJ"
Explanation :

Answer: C) PYTOOJ Explanation: FRIEND : FPIBNZ Follows a pattern that, F - F R- second letter to left of R i.e, P I - I E - Third letter to left of E i.e, B N - N D - Fourth letter to left of D i.e, Z Similarly, for PATRON  P - P A -  second letter to left of A i.e, Y T - T R - Third letter to left of R i.e, O O - O N - Fourth letter to left of N i.e, J PATRON : PYTOOJ   Therefore, FRIEND : FPIBNZ :: PATRON : PYTOOJ

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