Quantitative Aptitude Practice Question and Answer

Q: What is the ratio of 18 minutes to one hour ? 2245 0

  • 1
    1/5
    Correct
    Wrong
  • 2
    3/4
    Correct
    Wrong
  • 3
    1/7
    Correct
    Wrong
  • 4
    3/10
    Correct
    Wrong
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Answer : 4. "3/10"
Explanation :

Answer: D) 3/10 Explanation: One hour = 60 min 18/60 = 3/10

Q: On selling 36 oranges one incurs a loss equal to selling Price of 4 oranges. What will be the loss%? 2245 0

  • 1
    10%
    Correct
    Wrong
  • 2
    34%
    Correct
    Wrong
  • 3
    13%
    Correct
    Wrong
  • 4
    14%
    Correct
    Wrong
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Answer : 1. "10%"

Q:

What approximate value should come in place of the question mark(?) in the following question?
5223÷36×0.93=?

2236 0

  • 1
    135
    Correct
    Wrong
  • 2
    125
    Correct
    Wrong
  • 3
    145
    Correct
    Wrong
  • 4
    155
    Correct
    Wrong
  • 5
    115
    Correct
    Wrong
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Answer : 1. "135"

Q: How many remainders are possible if 16n is divided by 9 for any positive integral value of n ? 2234 0

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

Answer: C) 3 Explanation: When 16nis divided by 9, we have  1619, remainder = 7   1629, remainder = 4  1639, remainder = 1  1649, remainder = 7  1659, remainder = 4  1669, remainder = 1  So, we have cyclicity of 3 factors i.e 7,4,1.  Hence only 3 remainders are possible.

Q: If log72 = m, then log4928 is equal to ? 2230 0

  • 1
    1/(1+2m)
    Correct
    Wrong
  • 2
    (1+2m)/2
    Correct
    Wrong
  • 3
    2m/(2m+1)
    Correct
    Wrong
  • 4
    (2m+1)/2m
    Correct
    Wrong
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Answer : 2. "(1+2m)/2"
Explanation :

Answer: B) (1+2m)/2 Explanation: log4928 = 12log77×4   = 12+122log72= 12+log72= 12 + m= 1+2m2.

Q: A trader mixes 36 kg of rice at Rs. 20 per kg with 14 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg. His profit percent is: 2228 0

  • 1
    25%
    Correct
    Wrong
  • 2
    21.14%
    Correct
    Wrong
  • 3
    22.54%
    Correct
    Wrong
  • 4
    27.32%
    Correct
    Wrong
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Answer : 3. "22.54%"
Explanation :

Answer: C) 22.54% Explanation: C.P. of 50 kg rice = Rs. (36 x 20 + 14 x 36) = Rs. (720 + 504) = Rs.1224.   S.P. of 56 kg rice = Rs. (50 x 30) = Rs.1500. Profit = 1500 - 1224 = Rs.276    Profit % = ProfitC.P×100  = 2761224×100 = 22.54%.

Q:

The average speed of a train is 3 times the average speed of car. The car covers a distance of 520 km in 8 hours. How much distance will the train cover in 13 hours?

2226 0

  • 1
    2553 km
    Correct
    Wrong
  • 2
    2585 km
    Correct
    Wrong
  • 3
    2355 km
    Correct
    Wrong
  • 4
    2535 km
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "2535 km"
Explanation :


Train   Car
3          1
Speed of car is =520/8=65km/h
so that speed of train = 65*3=195 km/hour
Distance covered by train=speed*time=195*13=2535 km

Q: A student can divide her books into groups of 5, 9 and 13. what is the smallest possible number of the books ? 2223 0

  • 1
    487
    Correct
    Wrong
  • 2
    585
    Correct
    Wrong
  • 3
    635
    Correct
    Wrong
  • 4
    705
    Correct
    Wrong
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Answer : 2. "585"
Explanation :

Answer: B) 585 Explanation: The smallest possible number of books = L.C.M of 5, 9 and 13.Therefore, L.C.M of 5,9 and 13 is = 5 x 9 x 13 = 585.

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