GATE Practice Question and Answer

Q: 2.5, 3.5, 9, 40, ? Find the next number in the above-given series? 1811 0

  • 1
    316
    Correct
    Wrong
  • 2
    328
    Correct
    Wrong
  • 3
    323
    Correct
    Wrong
  • 4
    340
    Correct
    Wrong
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Answer : 2. "328"
Explanation :

Answer: B) 328 Explanation: 2.5 × 1 + 1 = 3.5 3.5 × 2 + 2 = 9 9 × 4 + 4 = 40 40 × 8 + 8 = 328

Q: Which statement best compares a line and a point? 1807 0

  • 1
    A point has no dimension and a line has one dimension.
    Correct
    Wrong
  • 2
    A line can have line segments on it whereas a point cannot be on any line segment.
    Correct
    Wrong
  • 3
    point is a location whereas a line has several planes located on it
    Correct
    Wrong
  • 4
    A line can lie on a plane whereas a point cannot lie on a plane.
    Correct
    Wrong
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Answer : 1. "A point has no dimension and a line has one dimension."
Explanation :

Answer: A) A point has no dimension and a line has one dimension. Explanation: A point has no dimension and a line has one dimension is the statement that best compares a line and a point.

Q: If the numerator of a fraction is increased by 150% and the denominator of the fraction is increased by 350%, the resultant fraction is 25/51. What is the original fraction ? 1801 0

  • 1
    31/25
    Correct
    Wrong
  • 2
    15/17
    Correct
    Wrong
  • 3
    14/25
    Correct
    Wrong
  • 4
    11/16
    Correct
    Wrong
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Answer : 2. "15/17"
Explanation :

Answer: B) 15/17 Explanation: The original fraction is  2551 × 350+100150+100  = 15/17.

Q: 111 13 112 24 113 35 117 ? 1800 0

  • 1
    46
    Correct
    Wrong
  • 2
    57
    Correct
    Wrong
  • 3
    68
    Correct
    Wrong
  • 4
    79
    Correct
    Wrong
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Answer : 4. "79"
Explanation :

Answer: D) 79 Explanation: The given puzzle follows a pattern that, Number - . 111 - 13 112 - 24 113 - 35 So  117 - 79

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Answer : 2. "2"
Explanation :

Answer: B) 2 Explanation: Given number is 14278359As given 1st and 5th digits, 2nd & 6th, 3rd & 7th and 4th & 8th digits are to to be interchanged.Therfore, the rearranged number is 83591427Then, the second digit from the right end is 2.

Q: A man walks 6 km at a speed of 112kmph, runs 8 km at a speed of 2 kmph and goes by bus another 32 km. Speed of the bus is 8 kmph. Find the average speed of the man in kmph. 1798 0

  • 1
    4314
    Correct
    Wrong
  • 2
    4213
    Correct
    Wrong
  • 3
    2413
    Correct
    Wrong
  • 4
    3414
    Correct
    Wrong
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Answer : 2. "4213"
Explanation :

Answer: B) Option B Explanation: Man walked 6 km at 1.5 kmph, again he walked 8 km at speed of 2 kmph and 40 km at a speed of 8kmphtime taken indivisually: => 6/1.5 = 4 m=> 8/2 = 4 m=> 40/8 = 5 m   Average speed of man= total distance/ total time=> 54/13 = 4213 kmph

Q: Ram sell his goods 25% cheaper than Shyam and 25% dearer than Bram. How much % is Bram's good cheaper than Shyam ? 1792 0

  • 1
    60%
    Correct
    Wrong
  • 2
    40%
    Correct
    Wrong
  • 3
    50%
    Correct
    Wrong
  • 4
    30%
    Correct
    Wrong
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Answer : 2. "40%"
Explanation :

Answer: B) 40% Explanation: Lets say shyam sells at 100,   Since Ram sells 25% cheaper than Shyam,   Therefor Ram sells at less than 25% of100 or 75 rs.   Ram sells 25% dearer than Bram or 125% of Ram =100% of Bram or   125% of x (say x price of bram )=75rs.or 100% of x =60rs.hence price of bram is 60rs.   now Bram's good is cheaper than Shyam's as (100-60)x100/100% or 40%.   Hence Brams Good is 40% cheaper than that of Shyam's good.

Q: The ratio of efficiencies of P, Q and R is 2 : 3 : 4. While P and R work on alternate days and Q work for all days. Now the work completed in total 10 days and the total amount they get is Rs. 1200. Find the amount of each person(respectively). 1791 0

  • 1
    200, 600, 400
    Correct
    Wrong
  • 2
    400, 600, 200
    Correct
    Wrong
  • 3
    600, 200, 400
    Correct
    Wrong
  • 4
    400, 200, 600
    Correct
    Wrong
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Answer : 1. "200, 600, 400"
Explanation :

Answer: A) 200, 600, 400 Explanation: Ratio of efficiencies of P, Q and R = 2 : 3 : 4 From the given data, Number of working days of P, Q, R = 5 : 10 : 5 Hence, ratio of amount of p, Q, R = 2x5 : 3x10 : 4x5 = 10 : 30 : 20 Amounts of P, Q, R = 200, 600 and 400.

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