Quantitative Aptitude Practice Question and Answer

Q: 88 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be ? 1778 0

  • 1
    112 mts
    Correct
    Wrong
  • 2
    84 mts
    Correct
    Wrong
  • 3
    96 mts
    Correct
    Wrong
  • 4
    108 mts
    Correct
    Wrong
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Answer : 2. "84 mts"
Explanation :

Answer: B) 84 mts Explanation: Vol of silver = πR2h  = 66 C.C   Given D= 1mm => R = D/2 = 1/20 cm     => 227×1202×h = 66 = 66 x 400 x (7/22) = 8400 cm = 84 mtrs.

Q: Find the ratio of the areas of the incircle and circumcircle of a square ? 1778 0

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

Answer: D) 1 : 2 Explanation: Let the side of the square be x. Then, its diagonal = 2x.     Radius of incircle = x/2  and radius of circumcircle =2x2 . Therefore, required ratio = πx24:πx22 = 14:12=1:2

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 ? 1776 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: Adam and Smith are working on a project. Adam takes 6 hrs to type 36 pages on a computer, while Smith takes 5 hrs to type 40 pages. How much time will they take, working together on two different computers to type a project of 120 pages? 1775 0

  • 1
    8 hrs 45 min
    Correct
    Wrong
  • 2
    8 hrs 42 min
    Correct
    Wrong
  • 3
    8 hrs
    Correct
    Wrong
  • 4
    8 hrs 34 min
    Correct
    Wrong
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Answer : 4. "8 hrs 34 min"
Explanation :

Answer: D) 8 hrs 34 min Explanation: Number of pages typed by Adam in 1 hour = 36/6 = 6 Number of pages typed by Smith in 1 hour = 40/5 = 8Number of pages typed by both in 1 hour = (6 + 8) = 14Time taken by both to type 110 pages = (120 * 1/14) = 847 = 8 hrs 34 min.

Q: A sum of Rs. 731 is divided among A,B and C, such that 'A' receives 255 more than 'B' and 'B' receives 25% less than 'C'. What is 'C' s share in the amount? 1775 0

  • 1
    Rs.172
    Correct
    Wrong
  • 2
    Rs.200
    Correct
    Wrong
  • 3
    Rs.262
    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: 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? 1772 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: 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 ? 1772 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: Find the odd term from the given series of numbers  ? 125, 127, 130, 135, 142, 153, 165 ? 1770 0

  • 1
    153
    Correct
    Wrong
  • 2
    165
    Correct
    Wrong
  • 3
    142
    Correct
    Wrong
  • 4
    127
    Correct
    Wrong
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Answer : 2. "165"
Explanation :

Answer: B) 165 Explanation: From the beginning, the next term comes by adding prime numbers in a sequence of 2, 3, 5, 7, 9, 11, 13... to its previous term. But 165 will not be in the series as it must be replaced by 166 since 153+13 = 166.

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