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 ? 2133 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: A shopkeeper sells one-third of his goods at a profit of 10%, another one-third at a profit of 20%, and the rest at a loss of 6%.What is his overall profit percentage ? 2131 0

  • 1
    6%
    Correct
    Wrong
  • 2
    8%
    Correct
    Wrong
  • 3
    10%
    Correct
    Wrong
  • 4
    12%
    Correct
    Wrong
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Answer : 2. "8%"
Explanation :

Answer: B) 8% Explanation: Let the shopkeeper buy 300g for Rs.300. Now he sells 100g for Rs.110, another 100g for Rs120, and the rest 100g for Rs94.    Therefore, the total amount he receives = Rs.110 + Rs.120 + Rs.94 = 324.    Therefore, the shopkeeper spends Rs.300 and gets back Rs.324.   Therefore, his profit percentage = 24300x100 % = 8%

Q: If 5th March, 2005 is Monday, what was the day of the week on 5th March, 2004 ? 2131 0

  • 1
    Sunday
    Correct
    Wrong
  • 2
    Monday
    Correct
    Wrong
  • 3
    Tuesday
    Correct
    Wrong
  • 4
    Wednesday
    Correct
    Wrong
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Answer : 1. "Sunday"
Explanation :

Answer: A) Sunday Explanation: The year 2004 is a leap year. So, it has 2 odd days. But, Feb 2004 not included because we are calculating from March 2004 to March 2005. So it has 1 odd day only. The day on 5th March, 2005 will be 1 day beyond the day on 5th March, 2004. Given that, 5th March, 2005 is Monday. 5th March, 2004 is Sunday (1 day before to 5th March, 2005).

Q: 2.5, 3.5, 9, 40, ? Find the next number in the above-given series? 2128 0

  • 1
    316
    Correct
    Wrong
  • 2
    328
    Correct
    Wrong
  • 3
    323
    Correct
    Wrong
  • 4
    340
    Correct
    Wrong
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Answer : 2. "328"
Explanation :

Answer: B) 328 Explanation: 2.5 × 1 + 1 = 3.5 3.5 × 2 + 2 = 9 9 × 4 + 4 = 40 40 × 8 + 8 = 328

Q: A passenger train covers the distance between station K and L, 40 minutes faster than a goods train. Find this distance between K and L if the average speed of the passenger train is 50 km/h and that of goods train is 30 km/h? 2117 0

  • 1
    50 kms
    Correct
    Wrong
  • 2
    48 kms
    Correct
    Wrong
  • 3
    46 kms
    Correct
    Wrong
  • 4
    44 kms
    Correct
    Wrong
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Answer : 1. "50 kms"
Explanation :

Answer: A) 50 kms Explanation: Let the distance be 'd' kms. According to the given data, d30 - d50 = 4060 hrs=> 6d = 300=> d = 50 kms.

Q: In how many ways the letters of the word NUMERICAL can be arranged so that the consonants always occupy the even places ? 2115 0

  • 1
    5!
    Correct
    Wrong
  • 2
    6!
    Correct
    Wrong
  • 3
    4!
    Correct
    Wrong
  • 4
    Can't determine
    Correct
    Wrong
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Answer : 4. "Can't determine"
Explanation :

Answer: D) Can't determine Explanation: NUMERICAL has 9 positions in which 2, 4, 6, 8 are even positions. And it contains 5 consonents i.e, N, M, R, C & L. Hence this cannot be done as 5 letters cannot be placed in 4 positions. Therefore, Can't be determined.

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Answer : 4. "None of the statements is required"
Explanation :

Answer: D) None of the statements is required Explanation: From the given data, (60 - 45)% = 12.5 + 415% = 16.5=> 100% = ?100% = 16.5 x 100/15 = 110 Hence, P = 45% of 110 = 45x110/100 = 49.5 Q = 50% of 110 = 55R = 60% of 110 = 60 x 110/100 = 66M = 12.5 + 49.5 = 62 or 66 - 4 = 62   Hence, no statement is required to answer.

Q: Find the missing number in the given number series? 5 11 21 44 ? 175 2113 0

  • 1
    86
    Correct
    Wrong
  • 2
    78
    Correct
    Wrong
  • 3
    94
    Correct
    Wrong
  • 4
    102
    Correct
    Wrong
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Answer : 1. "86"
Explanation :

Answer: A) 86 Explanation: Here the given number series is 5  11  21  44  ?  175   Now the given series follows a pattern, that   x2 + 1, x2 - 1, x2 + 2, x2 - 2, x2 + 3, x2 - 3,...   Then the missing number is x2 - 2   = 44 x 2 - 2 = 88 - 2 = 86   Hence, the missing number in the number series is 86.

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