GATE Practice Question and Answer

Q: In a queue, Shankar is ninth from the rear end. Althaf's place is eighth from the front. Nitu is standing between the two. What could be the minimum numbers of boys standing in the queue ? 3139 0

  • 1
    18
    Correct
    Wrong
  • 2
    14
    Correct
    Wrong
  • 3
    22
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "14"
Explanation :

Answer: B) 14 Explanation: 1 2 3 4 5 6(Shankar) 7(Nitu) 8(Althaf) 9 10 11 12 13 14Here, Althaf is 8th from front, Shankar is 9th from rear end and Nitu is between themSo minimum no. of boys standing in the queue = 14

Q: Eight years ago, Ajay's age was 4/3 times that of Vijay. Eight years hence, Ajay's age will be 6/5 times that of Vijay. What is the present age of Ajay ? 3138 0

  • 1
    41 yrs
    Correct
    Wrong
  • 2
    40 yrs
    Correct
    Wrong
  • 3
    37 yrs
    Correct
    Wrong
  • 4
    33 yrs
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "40 yrs"
Explanation :

Answer: B) 40 yrs Explanation: Let the present ages of Ajay and Vijay be 'A' and 'V' years respectively. => A - 8 = 4/3 (V - 8) and A + 8 = 6/5 (V + 8) => 3/4(A - 8) = V - 8 and 5/6(A + 8) = V + 8 V = 3/4 (A - 8) + 8 = 5/6 (A + 8) - 8 => 3/4 A - 6 + 8 = 5/6 A + 20/3 - 8 => 10 - 20/3 = 10/12 A - 9/12 A => 10/3 = A/12 => A = 40.

Q: The percentage discount offered for "Buy 6 get 1 free is" ? 3135 0

  • 1
    85.78 %
    Correct
    Wrong
  • 2
    58. 48 %
    Correct
    Wrong
  • 3
    19.25 %
    Correct
    Wrong
  • 4
    14.285 %
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "14.285 %"
Explanation :

Answer: D) 14.285 % Explanation: Total Items = 7Discounted = 1Percentage = 1/7 x 100= 14.285%

Q: A merchant buys two items for Rs. 7500. One item he sells at a profit of 16% and the other item at 14% loss. In the deal, the merchant makes neither any profit nor any loss. What is the difference between the selling price of both the items? 3130 0

  • 1
    Rs. 620
    Correct
    Wrong
  • 2
    Rs. 654
    Correct
    Wrong
  • 3
    Rs. 725
    Correct
    Wrong
  • 4
    Rs. 747
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Rs. 620"
Explanation :

Answer: A) Rs. 620 Explanation: Let the C.P of one item is Rs. P and that of other is Rs. (7500 - P) According to the data given C.P = S.P => Px(116/100) + (7500-P)x(86/100) = 7500 => 30P = 105000 => P = 3500 Required difference between selling prices = Rs. [(3500/100) x 116] - [(4000/100) x 86] = 4060-3440 = Rs. 620

Q: Which gymnospermic plant cures rheumatism? 3119 0

  • 1
    Ephedra
    Correct
    Wrong
  • 2
    Pinus
    Correct
    Wrong
  • 3
    Araucaria
    Correct
    Wrong
  • 4
    Gnetum
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Gnetum"
Explanation :

Answer: D) Gnetum Explanation: Oil from Gnetum spp a gymnosperm belonging to the family Gnetaceae is used to relieve the effects of rheumatism The lianas and shrubs of Gnetum are found in the rain forests of the western ghats.

Q: If Laxmi is taller than Ramya but shorter than Susmitha and Ramya is as tall as Hema but taller than Avanthi, then Hema is : 3118 0

  • 1
    shorter than Ramya
    Correct
    Wrong
  • 2
    taller than Avanthi
    Correct
    Wrong
  • 3
    taller than susmitha
    Correct
    Wrong
  • 4
    shorter than Laxmi
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "shorter than Laxmi"
Explanation :

Answer: D) shorter than Laxmi Explanation: As given, we have: Susmitha > Laxmi > Ramya; Ramya = Hema, Ramya > Avanthi Thus the sequence of heights becomes: Susmitha > Laxmi > Ramya = Hema > Avanthi Clearly, Hema is shorter than Laxmi.

Q: A, B, C and D enter into partnership. A subscribes 1/3 of the capital B 1/4, C 1/5 and D the rest. How much share did A get in a profit of Rs.2490 ? 3116 0

  • 1
    Rs. 820
    Correct
    Wrong
  • 2
    Rs. 830
    Correct
    Wrong
  • 3
    Rs. 840
    Correct
    Wrong
  • 4
    Rs. 850
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Rs. 830"
Explanation :

Answer: B) Rs. 830 Explanation: Let the total amount in the partnership be 'x'.Then A's share = x/3B's share = x/4C's share = x/5D's share = x - (x/3 + x/4 +x/5) = 13x/60 A : B : C : D = x/3 : x/4 : x/5 : 13x/60 = 20 : 15 : 12 : 13 A's share in the profit of Rs. 2490 = 20 (2490/60) = Rs. 830.

Q: Look at the series : 3, 7, 24, 11, __, 19, 19,... What number should fill the blank ? 3108 0

  • 1
    15
    Correct
    Wrong
  • 2
    13
    Correct
    Wrong
  • 3
    21
    Correct
    Wrong
  • 4
    16
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "15"
Explanation :

Answer: A) 15 Explanation: Two series alternate here, with every third number following a different pattern.In the main series, 4 is added to each number to arrive the next.In alternate series, 5 is subtracted from each number t arrive the next number.Here in the main series 3 + 4 = 77 + 4 = 1111 + 4 = 1515 + 4 = 19 In alternate series 24 - 5 = 1919 - 5 = 14...

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully