Quantitative Aptitude Practice Question and Answer

Q: The marked price of a Watch is Rs.8400. It is to be sold at Rs.6896 at two successive discounts. If the first discount is 12%, the second discount is ? 1783 0

  • 1
    7.2 %
    Correct
    Wrong
  • 2
    9.14 %
    Correct
    Wrong
  • 3
    7.13 %
    Correct
    Wrong
  • 4
    6.709 %
    Correct
    Wrong
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Answer : 4. "6.709 %"
Explanation :

Answer: D) 6.709 % Explanation: (100-x)%  of 88% of 8400 = 6896   => 100-x10088100x8400 = 6896 => x = 6.709%

Q: Twenty men can do a work in eighteen days. Eighteen women can complete the same work in fifteen days. What is the ratio between the capacity of a woman and a man ? 1783 0

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

Answer: C) 4:3 Explanation: (20 x 18) men can complete the work in in one day. one man's one day work = 1/360 (18 x 15) women can complete the work in 1 day 1 woman's one day work = 1/270 So, required ratio = 1270:1360= 4:3

Q: There is 50% increase in an amount in 5 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate ? 1782 0

  • 1
    Rs. 5422
    Correct
    Wrong
  • 2
    Rs. 5489
    Correct
    Wrong
  • 3
    Rs. 3972
    Correct
    Wrong
  • 4
    Rs. 6145
    Correct
    Wrong
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Answer : 3. "Rs. 3972"
Explanation :

Answer: C) Rs. 3972 Explanation: Let p = Rs. 100. Then, S.I is Rs. 50 and time = 5 years.  ∴ R = 100×50100×5= 10% p.a.   Now, p = Rs. 12,000 , T = 3 years and R = 10% p.a. C.I. = Rs. 12000×1+101003-1= Rs. 3972

Q: The Simple interest accrued on an amount of Rs. 2,500 at the end of six years is Rs.1875. What would be the simple interest accrued on an amount of Rs. 6875 at the same rate and Same period? 1781 0

  • 1
    Rs. 4,556.5
    Correct
    Wrong
  • 2
    Rs. 5,025.25
    Correct
    Wrong
  • 3
    Rs.5,245.5
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 4. "None of these"
Explanation :

Answer: D) None of these Explanation:

Q: Sripad has scored average of 65 marks in three objects. In no subjects has he secured less than 58 marks. He has secured more marks in Maths than other two subjects. What could be his maximum score in Maths ? 1779 0

  • 1
    79
    Correct
    Wrong
  • 2
    77
    Correct
    Wrong
  • 3
    76
    Correct
    Wrong
  • 4
    73
    Correct
    Wrong
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Answer : 1. "79"
Explanation :

Answer: A) 79 Explanation: Assuming Sripad has scored the least marks in subject other than science,Then the marks he could secure in other two are 58 each.Since the average mark of all the 3 subject is 65.i.e (58+58+x)/3 = 65116 + x = 195x = 79 marks. Therefore, the maximum marks he can score in maths is 79.

Q: If 25a + 25b = 115, then what is the average of a and b? 1777 0

  • 1
    4.6
    Correct
    Wrong
  • 2
    3.4
    Correct
    Wrong
  • 3
    2.5
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 4. "None of these"
Explanation :

Answer: D) None of these Explanation:

Q: Three friends Rudra, Siva and Anvesh start to run around a circular stadium. They complete a revolution in 24, 36 and 30 seconds respectively. After how many minutes will they meet at the starting point ? 1776 0

  • 1
    60
    Correct
    Wrong
  • 2
    120
    Correct
    Wrong
  • 3
    360
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 4. "6"
Explanation :

Answer: D) 6 Explanation: For this we have to find the LCM of 24, 36 and 30 LCM of 24, 36 and 30 = 360 sec 360/60 min = 6 minutes.

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Answer : 3. "109"
Explanation :

Answer: C) 109 Explanation: From given data, R : M = 5 : 7 M : A = 5 : 7 R : M : A = 25 : 35 : 49 25 + 35 + 49 = 109

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