GATE Practice Question and Answer

Q: What is the next number in series? 10, 9, 60, 90, 70, 66, ? 2161 0

  • 1
    73
    Correct
    Wrong
  • 2
    19
    Correct
    Wrong
  • 3
    96
    Correct
    Wrong
  • 4
    22
    Correct
    Wrong
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Answer : 3. "96"
Explanation :

Answer: C) 96 Explanation: ten = 3(number of letters)nine = 4(number of letters)sixty = 5(number of letters)ninety = 6(number of letters)seventy = 7(number of letters)sixtysix = 8(number of letters)ninetysix=96(number of letters) Then, likwise choose the number which has 9 letters in its Spelling.

Q: Pointing towards a photograph kiran said to chotu, "I am the only daughter of this lady and her son is your maternal uncle " How is the kiran related to chotu's father  ? 2153 0

  • 1
    Cousin
    Correct
    Wrong
  • 2
    Daughter
    Correct
    Wrong
  • 3
    Sister
    Correct
    Wrong
  • 4
    Wife
    Correct
    Wrong
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Answer : 4. "Wife"
Explanation :

Answer: D) Wife Explanation:   So, the speaker is the mother of chotu. Kiran is wife of chotu's father. Chotu's father is not shown in the diagram.

Q: Ronika deposited Rs.7000 which amounted to Rs.9200 after 3 years at simple interest. Had the interest been 2% more. She would get how much ? 2152 0

  • 1
    9850
    Correct
    Wrong
  • 2
    9500
    Correct
    Wrong
  • 3
    9620
    Correct
    Wrong
  • 4
    9760
    Correct
    Wrong
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Answer : 3. "9620"
Explanation :

Answer: C) 9620 Explanation: As the interest rate increases by 2%=> (7000x3x2)/100 = 420                                   9200                                  --------                                   9620

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? 2147 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: Folder is to document as envelope is to 2147 0

  • 1
    Money
    Correct
    Wrong
  • 2
    Articles
    Correct
    Wrong
  • 3
    Letters
    Correct
    Wrong
  • 4
    Wires
    Correct
    Wrong
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Answer : 3. "Letters"
Explanation :

Answer: C) Letters Explanation: We know that, a folder holds documents in the same way an envelope holds letters.   Hence, Folder : Document :: Envelope : Letter.

Q: 90 D in a R A 2146 0

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Answer :
Explanation :

90 D in a R A => 90 degrees in a Right Angle.  This is similar to  26 L of the A = 26 Letters of the Alphabet 12 S of the Z.

Q: Find out the wrong number in the following series ? 2880, 480, 92, 24, 8, 4, 4 2146 0

  • 1
    480
    Correct
    Wrong
  • 2
    92
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 2. "92"
Explanation :

Answer: B) 92 Explanation: The given series of numbers follow the rule that, 2880/6 = 480480/5   = 9696/4     = 2424/3     = 88/2       = 44/1       = 4 But 92 is not in the rule. It is the wrong number in the given series.

Q: P and Q can do a work in 4 hours and 12 hours respectively. P starts the work at 9am and they work alternately for one hour each. When will the work be completed ? 2145 0

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

Answer: D) 3 pm Explanation: Work done by P and Q in the first two hours, working alternately = First hour P + Second hour Q ⇒14+112=13 work is completed in 2 hours Then, the total time required to complete the work by P and Q working alternately=2 x 3= 6hours Thus, work will be completed at 3pm.

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