Quantitative Aptitude प्रश्न और उत्तर का अभ्यास करें

प्र: A girl want to read a complete book. She read 2/5 part of a book on 1st day, 34% on second day and remaining pages in next two days. On those two days she read equal number of pages. If she read 52 pages on last day, then find out total number of pages that the book contain ? 1729 0

  • 1
    400
    सही
    गलत
  • 2
    525
    सही
    गलत
  • 3
    325
    सही
    गलत
  • 4
    475
    सही
    गलत
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उत्तर : 1. "400"
व्याख्या :

Answer: A) 400 Explanation: Let the total number of pages in the book be 'x'. From given data, 2x/5 + 34x/100 + 52 + 52 = x => 40x + 34x + 10400 = 100x => 26x = 10400 => x = 400. Hence, total pages in the book are 400.

प्र: If J is the interest on K and K is the interest on L, the rate and time is the same on both the cases. What is the relation between J, K and L  ? 1722 0

  • 1
    J x J = KL
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  • 2
    K x K= JL
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  • 3
    L x L = JK
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  • 4
    JKL = 1
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उत्तर : 2. "K x K= JL"
व्याख्या :

Answer: B) K x K= JL Explanation: Let the Time be 'N' and Rate be 'R'  J = (K x NR)/100 K = (L x NR)/100  J/K = NR/100 K/L = NR/100  J/K = K/L  K x K = JL

प्र: Find the next number in the given number series? 11, 5.5, 10, 6.5, 9, ? 1721 0

  • 1
    6.5
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  • 2
    7.5
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  • 3
    8.5
    सही
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  • 4
    10.5
    सही
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उत्तर : 2. "7.5"
व्याख्या :

Answer: B) 7.5 Explanation: The given number series follows a pattern that 11 11 - 5.5 = 5.5 5.5 + 4.5 = 10 10 - 3.5 = 6.5 6.5 + 2.5 = 9 9 - 1.5 = 7.5   Hence, the next number in the given number series is 7.5.

प्र: How many days in 4 years? 1721 0

  • 1
    1460
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  • 2
    1461
    सही
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  • 3
    1462
    सही
    गलत
  • 4
    1459
    सही
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उत्तर : 1. "1460"
व्याख्या :

Answer: A) 1460 Explanation: Days in 4 years =>  Let the first year is Normal year i.e, its not Leap year. A Leap Years occurs once for every 4 years. 4 years => 365 + 365 + 365 + 366(Leap year) 4 years => 730 + 731 = 1461   Therefore, Number of Days in 4 Years = 1461 Days.

प्र: A work which could be finished in 11 days was finished 4 days earlier after 4 more men joined. The number of men employed was ? 1718 0

  • 1
    7
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  • 2
    8
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  • 3
    9
    सही
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  • 4
    10
    सही
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उत्तर : 1. "7"
व्याख्या :

Answer: A) 7 Explanation: As the work is sameM1D1 = M2D2 Here Let the number of men employed was M=> 11M = 7(M+4)=> 11M - 7M = 28=> M = 7

प्र: Namitha sold a powerbank which is at the cost of Rs. 1950 at a loss of 25%. Find at what cost will she have to sell it to get a profit of 25%? 1718 0

  • 1
    Rs. 3680
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  • 2
    Rs. 3560
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  • 3
    Rs. 3320
    सही
    गलत
  • 4
    Rs. 3250
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उत्तर : 4. "Rs. 3250"
व्याख्या :

Answer: D) Rs. 3250 Explanation: Let the Cost price of the powerbank = Rs. P But given that by selling it at Rs. 1950, it gives a loss of 25% => P x 75100 = 1950=>P = 1950 x 10075 = Rs. 2600Now, to get a profit of 25% Selling Price = 2600 x 125100 = Rs. 3250.

प्र: What is the difference in the shares of profit between P and Q in a joint business at the end of one year ? a. P Invested Rs. 80,000 and withdrew Rs. 20,000 after 6 months. b. Q joined four months after the start of business. c. Q's amount was 80% of P's amount during the last six months. 1718 0

  • 1
    Only a
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  • 2
    Only c
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  • 3
    Both a & b
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  • 4
    Data is not sufficient
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उत्तर : 4. "Data is not sufficient"
व्याख्या :

Answer: D) Data is not sufficient Explanation: a. P's investment = (80000 x 6 + 60000 x 6) = 840000 for 1 month. b & c. Q's investment = 80% of Rs. 60000 for 8 months. = Rs.(48000 x 8) for 1 month = 384000 for 1 month P : Q = 840000 : 384000 = 35 : 16. But, the total profit is not given, so data is inadequate.

प्र: 12 boys decided to constribute Rs. 750 each to an Orphange. Suddenly few of them boys dropped out and consequently the rest had to pay Rs. 150 more. Then the number of boys who dropped out? 1718 0

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

Answer: C) 2 Explanation: Total money decided to contribute = 750 x 12 = 9000 Let 'b' boys dropped The rest paid 150/- more => (12 - b) x 900 = 9000 => b = 2 Hence, the number of boys who dropped out is 2.

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