Quantitative Aptitude Practice Question and Answer

Q:

What should come in place of the question mark(?) in the following number series?
1, 5, 13 , 29 ,? , 125 , 253

144 0

  • 1
    83
    Correct
    Wrong
  • 2
    69
    Correct
    Wrong
  • 3
    61
    Correct
    Wrong
  • 4
    65
    Correct
    Wrong
  • 5
    81
    Correct
    Wrong
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Answer : 3. "61"
Explanation :

The difference between number will be 4, 8, 16, 32, 64

Q:

What should come place of the question mark(?) in the following number series?
17, 18 , 26, 53 , 117, ? , 458

193 0

  • 1
    342
    Correct
    Wrong
  • 2
    142
    Correct
    Wrong
  • 3
    257
    Correct
    Wrong
  • 4
    262
    Correct
    Wrong
  • 5
    242
    Correct
    Wrong
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Answer : 5. "242"
Explanation :

The difference is number between 13 ,2, 3, 4, 53

Q:

What approximate value should come in place of the question mark(?) in the following question?
105.003+307.993+ 215.630=?

134 0

  • 1
    610
    Correct
    Wrong
  • 2
    650
    Correct
    Wrong
  • 3
    660
    Correct
    Wrong
  • 4
    670
    Correct
    Wrong
  • 5
    630
    Correct
    Wrong
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Answer : 5. "630"
Explanation :

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Q: Mr. Shankar spends 25% of his monthly salary on household expenditure, 20% of the remaining on children’s education, and the remaining is equally invested in three different schemes. If the amount invested in each scheme is Rs.5600, what is the monthly salary of Shankar ? 844 0

  • 1
    Rs. 34000
    Correct
    Wrong
  • 2
    Rs. 31245
    Correct
    Wrong
  • 3
    Rs. 24315
    Correct
    Wrong
  • 4
    Rs. 28000
    Correct
    Wrong
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Answer : 4. "Rs. 28000"
Explanation :

Answer: D) Rs. 28000 Explanation: Let the monthly salary of Shankar be = Rs.xAmount invested on expenditure = 25% = x/4;Remaning amount = 3x/4;Amount invested on children education = 20% i.e = 3x/20;Remaining amount = 3x/4 - 3x/20 = 3x/5;Remaining amount invested in three different schemes i.e is 1/3(3x/5) => x/5 = 5600Therefore x = 28000Hence, Monthly salary of Shankar is Rs. 28,000.

Q: A and B together can complete a work in 10 days. A alone can do it in 40 days. In how many days B alone can complete it? 261 1

  • 1
    \({40\over3}\)
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    30/7
    Correct
    Wrong
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Answer : 1. "\({40\over3}\)"

Q: Ratan can complete a work in \(5 {1 \over 2}\) days while Rupesh can complete it in \(10 {1 \over 2}\) days. In how many days can they both complete it working on it together? 162 0

  • 1
    \(3 {39 \over 64 }\)
    Correct
    Wrong
  • 2
    \(4 {39 \over 64 }\)
    Correct
    Wrong
  • 3
    \(5 {39 \over 64 }\)
    Correct
    Wrong
  • 4
    \(6 {39 \over 64 }\)
    Correct
    Wrong
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Answer : 1. "\(3 {39 \over 64 }\) "

Q: Ram can complete ¼ th part of work in 8 days and Shyam can complete 2/4 th of the work in 6 days and Naresh can complete ¾th the work in 12 days. In how many days can they together complete it? 73 0

  • 1
    \(6 {11 \over 17 }\)
    Correct
    Wrong
  • 2
    \(5 {11 \over 17 }\)
    Correct
    Wrong
  • 3
    \(8 {11 \over 17 }\)
    Correct
    Wrong
  • 4
    \(7 {11 \over 17 }\)
    Correct
    Wrong
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Answer : 2. "\(5 {11 \over 17 }\)"

Q: A, B and C together can do a work in 8 days if A and B can do it in 20 and 30 days respectively. In how many days C alone can complete it? 168 0

  • 1
    16
    Correct
    Wrong
  • 2
    18
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 4. "24"

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