GRE प्रश्न और उत्तर का अभ्यास करें

प्र: In a certain encryption pattern, HARD is coded as 1357 and SOFT is coded as 2468, What will 21448 stand for ? 3981 0

  • 1
    SHAFT
    सही
    गलत
  • 2
    SHOOT
    सही
    गलत
  • 3
    RAFTS
    सही
    गलत
  • 4
    ROOTS
    सही
    गलत
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उत्तर : 2. "SHOOT"
व्याख्या :

Answer: B) SHOOT Explanation: AS HARD is coded as "1357" and SOFT is coded as "2468"So H is coded as 1, A as 3, R as 5, D as 7and S as 2, O as 4, F as 6, T as 8 Now in 21448, go number by number2 is the code for S1 is the code for H4 is the code for Oand 8 is the code for T hence, 21448 will stand for SHOOT

प्र: Who set up the world's first floating ATM ? 3947 0

  • 1
    Bank of America
    सही
    गलत
  • 2
    Barclays Bank
    सही
    गलत
  • 3
    Axis Bank
    सही
    गलत
  • 4
    State Bank of India
    सही
    गलत
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उत्तर : 4. "State Bank of India"
व्याख्या :

Answer: D) State Bank of India Explanation: India's banking behemoth -- the State Bank of India -- has set up the world's first-ever floating ATM on a boat in Kerala. The boat with the ATM on board will berth at jetties in Kerala's huge backwaters through which thousands of people travel daily.

प्र: Two solutions have milk & water in the ratio 7:5 and 6:11. Find the proportion in which these two solutions should Be mixed so that the resulting solution has 1 part milk and 2 parts water ? 3906 0

  • 1
    7 : 12
    सही
    गलत
  • 2
    8 : 13
    सही
    गलत
  • 3
    9 : 4
    सही
    गलत
  • 4
    2 : 5
    सही
    गलत
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उत्तर : 2. "8 : 13"
व्याख्या :

Answer: B) 8 : 13 Explanation: To get the solution that contains 1 part of milk and two parts of water,they must be mixed in the ratio as7x+6x/5y+11y = 1/226x = 16yx/y = 16/26x/y = 8/13

प्र: Read the arrangement carefully and give the answer of following questions ? K$23DBE8HM4@5JF4%K1+WR#AA*415 How many such symbols are there which is not immediately preceded by a letter but immediately followed by a number ? 3903 0

  • 1
    1
    सही
    गलत
  • 2
    2
    सही
    गलत
  • 3
    3
    सही
    गलत
  • 4
    0
    सही
    गलत
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उत्तर : 1. "1"
व्याख्या :

Answer: A) 1 Explanation: Only one such symbol is there in the given arrangement. It is 4@5.

प्र: Which alphabet replaces the question mark ? 63 O 4972 T 3796 L 1514 ? 58 3900 0

  • 1
    A
    सही
    गलत
  • 2
    B
    सही
    गलत
  • 3
    C
    सही
    गलत
  • 4
    D
    सही
    गलत
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उत्तर : 3. "C"
व्याख्या :

Answer: C) C Explanation: 6-3 = 3 9-4 = 5 (3x5=15) 15=O7-2 = 5 7-3 = 4 (5x4=20) 20=T9-6 = 3 5-1 = 4 (3x4=12) 12=L Similarly, 4-1 = 3 8-5 = 1 (3x1=3) 3=C

प्र: If there are 150 questions in a 3 hr examination. Among these questions 50 are type A problems, which requires twice as much as time be spent on the rest of the type B problems. How many minutes should be spent on type A problems ? 3892 0

  • 1
    75 min
    सही
    गलत
  • 2
    82 min
    सही
    गलत
  • 3
    90 min
    सही
    गलत
  • 4
    101 min
    सही
    गलत
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उत्तर : 3. "90 min"
व्याख्या :

Answer: C) 90 min Explanation: Let X = Time taken for each of Type B Problems(100 Problems)And 2X = Time taken for each of Type A problems(50 problems) Total time period = 3hrs = 3 x 60min = 180 minutes 100X + 50(2X) = 180100X + 100X = 180200X = 180 min X = 180/200X = 0.90 min By convertiing into seconds, X = 0.90 x 60 secondsX = 54 sec So, time taken for Part A problems is = 54 x 2 x 50 = 5400 seconds= 5400/60sec = 90 minutes.

प्र: A group of men can complete a job in K hours. After every 4 hours, half the number of men working at that point of time leave the job. Continuing this way if the job is finished in 16 hours, what is the value of K ? 3889 0

  • 1
    7 hrs
    सही
    गलत
  • 2
    7.5 hrs
    सही
    गलत
  • 3
    8 hrs
    सही
    गलत
  • 4
    8.25 hrs
    सही
    गलत
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उत्तर : 2. "7.5 hrs"
व्याख्या :

Answer: B) 7.5 hrs Explanation: Let there are L men job requires LK man hours.   job completed in first 4 hrs = L x 4 = 4L job completed in next 4 hrs = 4 x L/2 = 2L job completed in next 4 hrs = 4 x L/4 = L job completed in last 4 hrs = 4 x L/8 = L/2 4L + 2L + L + L/2 = KL K = 7+1/2 = 7.5 hours.

प्र: John sells his laptop to Mark at a loss of 20% who subsequently sells it to Kevin at a profit of 25%. Kevin after finding some defect in the laptop, returns it to Mark but could recover only Rs.4.50 for every Rs. 5 he had paid. Find the amount of Kevin’s loss if John had paid Rs. 1,75,000 for the laptop ? 3852 0

  • 1
    Rs.16,500
    सही
    गलत
  • 2
    Rs.17,500
    सही
    गलत
  • 3
    Rs.14,200
    सही
    गलत
  • 4
    Rs.15,520
    सही
    गलत
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उत्तर : 2. "Rs.17,500"
व्याख्या :

Answer: B) Rs.17,500 Explanation: Let’s assume John bought the laptop for Rs. 100He then sells it to Mark at a loss of 20% => Rs. 80,Who consequently sells it to Kevin at a profit of 25% =>  Rs. 100Then, Kevin sells it back to Mark for Rs. 90 (Rs.4.50 for every Rs. 5 that he had paid initially), so he suffers a loss of Rs. 10Therefore, for Rs. 100 there is a loss of Rs. 10,Then for Rs. 1,75,000 there will be a loss of Rs. 17,500.

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