Quantitative Aptitude प्रश्न और उत्तर का अभ्यास करें

प्र: Vishal invested 10% more than Trishul. Trishul invested 10% less than Raghu. If the total sum of their investments is Rs. 5780, how much amount did Raghu invest ? 1821 0

  • 1
    Rs.2010
    सही
    गलत
  • 2
    Rs.2200
    सही
    गलत
  • 3
    Rs.2000
    सही
    गलत
  • 4
    Rs.2100
    सही
    गलत
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उत्तर : 3. "Rs.2000"
व्याख्या :

Answer: C) Rs.2000 Explanation: Let money invested by Raghu = Rs. xMoney invested by Trishul = 9/10 x = 0.9xMoney invested by Vishal = 9/10x * 110/100 = 0.99xAlso, x+0.9x+0.99x = 5780= x= 5780/2.89 = 2000 Therefore, amount invested by Raghu is Rs. 2000.

प्र: A sweet seller sells 3/5th part of sweets at a profit of 10% and remaining at a loss of 5%. If the total profit is Rs 1500, then what is the total cost price of sweets ? 6285 0

  • 1
    Rs.37,500
    सही
    गलत
  • 2
    Rs.36,400
    सही
    गलत
  • 3
    Rs.37,415
    सही
    गलत
  • 4
    Rs.36,500
    सही
    गलत
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उत्तर : 1. "Rs.37,500"
व्याख्या :

Answer: A) Rs.37,500 Explanation: Assume A be the cost price.   Therefore,35×A×10100 - 25×A×5100 = 1500   =>  A = Rs 37,500.

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उत्तर : 1. "Loss of 12.5%"
व्याख्या :

Answer: A) Loss of 12.5% Explanation: Let the cost price be Rs. 100Then, market price is Rs. 140Now, the first discount is of 28.57% Rs.140 =~ Rs. 40Hence, its selling price = 140 - 40 = Rs. 100Now since Rana is selling at cost price, any further discount will be equal to loss percentage. The next dicount of 12.5% will be the loss percentage to Rana.

प्र: If watches bought at prices ranging from Rs. 200 to Rs. 350 are sold at prices ranging from Rs. 300 to Rs. 425. What is the greatest possible profit that might be made in selling nine watches ? 1850 0

  • 1
    Rs. 1800
    सही
    गलत
  • 2
    Rs. 2000
    सही
    गलत
  • 3
    Rs. 2025
    सही
    गलत
  • 4
    Rs. 1750
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उत्तर : 3. "Rs. 2025"
व्याख्या :

Answer: C) Rs. 2025 Explanation: Profit would be maximum if watches are brought for Rs. 200 and sold for Rs. 425Profit = Rs. (425 - 200) = Rs. 225Profit of 9 watches = Rs. 225 x 9 = Rs.2,025.

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 ? 3587 0

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

प्र: If HCF of two numbers is 8,which of the following can never be their LCM? 3239 0

  • 1
    32
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    गलत
  • 2
    48
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    गलत
  • 3
    60
    सही
    गलत
  • 4
    152
    सही
    गलत
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उत्तर : 3. "60"
व्याख्या :

Answer: C) 60 Explanation: 60 is not a multiple of 8

प्र: 40% of 265 + 35% of 180 = 50% of ? 2149 0

  • 1
    383
    सही
    गलत
  • 2
    338
    सही
    गलत
  • 3
    84.5
    सही
    गलत
  • 4
    253.5
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उत्तर : 2. "338"
व्याख्या :

Answer: B) 338 Explanation: We know that 40% = 25   40% of 265 + 35% of 180 = 50% ?   25 x 265 + 35% of 180 = 50% ?   We know that (35% of 180 = 180% of 35) & 180% = 95   25 x 265 + 95 x 35 = 50% ?   106 + 63 = 50% ?   ?= 2 x 169 = 338.

प्र: A batsman scored 180 runs which included 11 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets ? 1472 0

  • 1
    62.45%
    सही
    गलत
  • 2
    51.42%
    सही
    गलत
  • 3
    48.88%
    सही
    गलत
  • 4
    47.32%
    सही
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उत्तर : 3. "48.88%"
व्याख्या :

Answer: C) 48.88% Explanation: Number of runs made by running = 180 - (11 x 4 + 8 x 6)= 180 - (92)= 88Now, we need to calculate 88 is what percent of 180.⇒88180×100  = 48.888%.

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