GRE Practice Question and Answer

Q: On a school’s Annual day sweets were to be equally distributed amongst 112 children. But on that particular day, 32 children were absent. Thus the remaining children got 6 extra sweets. How many sweets was each child originally supposed to get ? 1951 0

  • 1
    14
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 4. "15"
Explanation :

Answer: D) 15 Explanation: Let 'K' be the total number of sweets.Given total number of students = 112If sweets are distributed among 112 children,Let number of sweets each student gets = 'L' => K/112 = L ....(1)But on that day students absent = 32 => remaining = 112 - 32 = 80Then, each student gets '6' sweets extra. => K/80 = L + 6 ....(2)from (1) K = 112L substitute in (2), we get112L = 80L + 48032L = 480L = 15 Therefore, 15 sweets were each student originally supposed to get.

Q: Which digits will come in the place of '?' in the following series ? 372, 823, 644, 582, 46?, 8?7 1950 0

  • 1
    4, 4
    Correct
    Wrong
  • 2
    6, 2
    Correct
    Wrong
  • 3
    3, 2
    Correct
    Wrong
  • 4
    2, 5
    Correct
    Wrong
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Answer : 2. "6, 2"
Explanation :

Answer: B) 6, 2 Explanation: Given series is 372, 823, 644, 582, 46?, 8?7 Here the series follow the rule that :372 = 3+7+2 = 12823 = 8+2+3 = 13644 = 6+4+4 = 14582 = 5+8+2 = 1546? = 4+6+? = 16 => ? = 68?7 = 8+?+7 = 17 => ? = 2 So the missing numbers are 6 and 2

Q: What is your biggest failure to date? 1950 0

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Answer :
Explanation :

The most important thing to remember when answering this question is that it really is not about what you did wrong. It's about how you handled a difficult situation and what you learned from it. Describe your biggest failure and discuss what you've learned from it and ideally how you've been successful because of that lesson.The real reason why interviewers ask about your biggest failure is that it reveals a lot about your ability - to take risks - face challenges - acknowledge your mistakes and - learn from them.

Q: In oceania, most towns began as 1947 0

  • 1
    Colonial ports
    Correct
    Wrong
  • 2
    plantations
    Correct
    Wrong
  • 3
    tribal ritual centers
    Correct
    Wrong
  • 4
    capital cities
    Correct
    Wrong
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Answer : 1. "Colonial ports"
Explanation :

Answer: A) Colonial ports Explanation: Oceania is a geographic region comprising Melanesia, Micronesia, Polynesia and Australasia. In Oceani, most towns began as Colonial Ports.

Q: The number of ways in which six boys and six girls can be seated in a row for a photograph so that no two girls sit together is  ? 1946 0

  • 1
    2(6!)
    Correct
    Wrong
  • 2
    6! x 7
    Correct
    Wrong
  • 3
    6! x ⁷P₆
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 3. "6! x ⁷P₆"
Explanation :

Answer: C) 6! x ⁷P₆ Explanation: We can initially arrange the six boys in 6! ways.Having done this, now three are seven places and six girls to be arranged. This can be done in ⁷P₆ ways. Hence required number of ways = 6! x ⁷P₆

Q: Find the greatest number that will divide 964, 1238 and 1400 leaving remainder of 41,31 and 51 respectively ? 1943 0

  • 1
    64
    Correct
    Wrong
  • 2
    69
    Correct
    Wrong
  • 3
    71
    Correct
    Wrong
  • 4
    58
    Correct
    Wrong
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Answer : 3. "71"
Explanation :

Answer: C) 71 Explanation: To find the greatest number which divides the numbers 964, 1238 and 1400 leaving the remainders 41, 31 and 51 is nothing but the HCF of (964 - 41), (1238 - 31), (1400 - 51). Therefore, HCF of 923, 1207 and 1349 is 71.

Q: The ratio of speeds of a car, a train and a bus is 5:9:4. The average speed of the car, the bus and the train is 72 km/hr together. What is the average speed of the car and the train together ? 1942 0

  • 1
    84 km/hr
    Correct
    Wrong
  • 2
    96 km/hr
    Correct
    Wrong
  • 3
    72 km/hr
    Correct
    Wrong
  • 4
    60 km/hr
    Correct
    Wrong
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Answer : 1. "84 km/hr"
Explanation :

Answer: A) 84 km/hr Explanation: Let the speeds of the car, train and bus be 5x, 9x and 4x km/hr respectively.Average speed = 5x + 9x + 4x/3 = 18x /3 = 6x km/hr.Also, 6x = 72 => x = 12 km/hrTherefore, the average speed of the car and train together is = 5x+9x2= 7x = 7 x 12 = 84 km/hr.

Q: Opening in a wall to let in air or light 1941 0

  • 1
    Ceiling
    Correct
    Wrong
  • 2
    Door
    Correct
    Wrong
  • 3
    Window
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 3. "Window"
Explanation :

Answer: C) Window Explanation: The Opening in a wall to let in air or light is nothing but a Window.

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