GRE प्रश्न और उत्तर का अभ्यास करें

प्र: Which digits will come in the place of '?' in the following series ? 372, 823, 644, 582, 46?, 8?7 1620 0

  • 1
    4, 4
    सही
    गलत
  • 2
    6, 2
    सही
    गलत
  • 3
    3, 2
    सही
    गलत
  • 4
    2, 5
    सही
    गलत
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उत्तर : 2. "6, 2"
व्याख्या :

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

प्र: Sullen is to moody as monotonous is to what 1620 0

  • 1
    Repetitious
    सही
    गलत
  • 2
    Attractive
    सही
    गलत
  • 3
    Drab
    सही
    गलत
  • 4
    Varied
    सही
    गलत
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उत्तर : 1. "Repetitious"
व्याख्या :

Answer: A) Repetitious Explanation: Here the given words, sullen and moody are synonyms to each other which means that gloomy, resentful. Similarly, repetitious and monotonous are synonyms to each other which means dull, tedious.   Hence, Sullen : moody :: monotonous : repetitious.

प्र: Bind it and it walks, Loose it and it stops. What is it? 1615 0

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उत्तर :
व्याख्या :

A Sandal. It has sticking strips to make them fit for our feet. If you bind them only you can start walking or other wise it comes out.

प्र: Which of the following is not a fossil fuel? 1613 0

  • 1
    Natural Gas
    सही
    गलत
  • 2
    Uranium
    सही
    गलत
  • 3
    Coal
    सही
    गलत
  • 4
    Petroleum
    सही
    गलत
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उत्तर : 2. "Uranium"
व्याख्या :

Answer: B) Uranium Explanation: Uranium is not a fossil fuel whereas coal, petroleum and natural gas are all natural resources. Fossil fuels are hydrocarbons, primarily coal, fuel oil or natural gas, formed from the remains of dead plants and animals. In common dialogue, the term fossil fuel also includes hydrocarbon-containing natural resources that are not derived from animal or plant sources

प्र: With an average speed of 40 km/hr, a train reaches its destination in time. If it goes with an average speed of 35 km/hr, it is late by 15 minutes. Find the length of the total journey? 1611 0

  • 1
    70 kms
    सही
    गलत
  • 2
    60 kms
    सही
    गलत
  • 3
    45 kms
    सही
    गलत
  • 4
    30 kms
    सही
    गलत
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उत्तर : 1. "70 kms"
व्याख्या :

Answer: A) 70 kms Explanation: Let the time taken by train be 't' hrs. Then, 40t = 35t + 1560 40t = 35t + 35/4 t = 7/4 hrs Therefore, Required length of the total journey d = s x t = 40 x 7/4 = 70 kms.

प्र: Which number replaces 'x' in the below figure ? 1601 0

  • 1
    2
    सही
    गलत
  • 2
    9
    सही
    गलत
  • 3
    11
    सही
    गलत
  • 4
    12
    सही
    गलत
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उत्तर : 2. "9"
व्याख्या :

Answer: B) 9 Explanation:   Here in 2nd column if you add the individual digits  we get  3 + 7 + 0 =10 , 2 + 2 + 4 = 8 , 7 + 3 + 0 = 10   7   10   3  --> 7+3 =10   6   8     2  --> 6+2 =8   x   10   1  --> x+1 =10   Here we can observe that by adding 1st and 3rd column elements we get 2nd column elements  --> x = 9

प्र: The letters of the word PROMISE are to be arranged so that three vowels should not come together. Find the number of ways of arrangements? 1597 0

  • 1
    4320
    सही
    गलत
  • 2
    4694
    सही
    गलत
  • 3
    4957
    सही
    गलत
  • 4
    4871
    सही
    गलत
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उत्तर : 1. "4320"
व्याख्या :

Answer: A) 4320 Explanation: Given Word is PROMISE. Number of letters in the word PROMISE = 7 Number of ways 7 letters can be arranged = 7! ways Number of Vowels in word PROMISE = 3 (O, I, E) Number of ways the vowels can be arranged that 3 Vowels come together = 5! x 3! ways   Now, the number of ways of arrangements so that three vowels should not come together = 7! - (5! x 3!) ways = 5040 - 720 = 4320.

प्र: What has One Eye Yet cannot See? 1597 0

  • 1
    One-eyed Jack
    सही
    गलत
  • 2
    A Needle
    सही
    गलत
  • 3
    Blind Justice
    सही
    गलत
  • 4
    Hurricane eye
    सही
    गलत
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उत्तर : 2. "A Needle"
व्याख्या :

Answer: B) A Needle Explanation: What has one eye yet cannot see is An Eye of a Needle.   A needle has an eye through which we thread it but it is not for seeing.

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